diff --git a/libreplan-business/src/main/java/org/libreplan/business/common/daos/ILimitsDAO.java b/libreplan-business/src/main/java/org/libreplan/business/common/daos/ILimitsDAO.java
index 72229644c..f6689d3a4 100644
--- a/libreplan-business/src/main/java/org/libreplan/business/common/daos/ILimitsDAO.java
+++ b/libreplan-business/src/main/java/org/libreplan/business/common/daos/ILimitsDAO.java
@@ -1,3 +1,22 @@
+/*
+ * This file is part of LibrePlan
+ *
+ * Copyright (C) 2015 LibrePlan
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
 package org.libreplan.business.common.daos;
 
 import org.libreplan.business.common.entities.Limits;
diff --git a/libreplan-business/src/main/java/org/libreplan/business/common/daos/LimitsDAO.java b/libreplan-business/src/main/java/org/libreplan/business/common/daos/LimitsDAO.java
index 79a657017..e51dd983a 100644
--- a/libreplan-business/src/main/java/org/libreplan/business/common/daos/LimitsDAO.java
+++ b/libreplan-business/src/main/java/org/libreplan/business/common/daos/LimitsDAO.java
@@ -1,3 +1,22 @@
+/*
+ * This file is part of LibrePlan
+ *
+ * Copyright (C) 2015 LibrePlan
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
 package org.libreplan.business.common.daos;
 
 import org.libreplan.business.common.entities.Limits;
diff --git a/libreplan-business/src/main/java/org/libreplan/business/common/entities/Limits.java b/libreplan-business/src/main/java/org/libreplan/business/common/entities/Limits.java
index bd746735e..b2d810d18 100644
--- a/libreplan-business/src/main/java/org/libreplan/business/common/entities/Limits.java
+++ b/libreplan-business/src/main/java/org/libreplan/business/common/entities/Limits.java
@@ -1,3 +1,22 @@
+/*
+ * This file is part of LibrePlan
+ *
+ * Copyright (C) 2015 LibrePlan
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
 package org.libreplan.business.common.entities;
 
 import org.libreplan.business.common.BaseEntity;
diff --git a/libreplan-webapp/src/main/java/org/libreplan/web/common/ILimitsModel.java b/libreplan-webapp/src/main/java/org/libreplan/web/common/ILimitsModel.java
index b0146b46e..8b525cff0 100644
--- a/libreplan-webapp/src/main/java/org/libreplan/web/common/ILimitsModel.java
+++ b/libreplan-webapp/src/main/java/org/libreplan/web/common/ILimitsModel.java
@@ -1,3 +1,22 @@
+/*
+ * This file is part of LibrePlan
+ *
+ * Copyright (C) 2015 LibrePlan
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
 package org.libreplan.web.common;
 
 import org.libreplan.business.common.entities.Limits;
diff --git a/libreplan-webapp/src/main/java/org/libreplan/web/common/LimitsModel.java b/libreplan-webapp/src/main/java/org/libreplan/web/common/LimitsModel.java
index 3338a3936..4eb8666b7 100644
--- a/libreplan-webapp/src/main/java/org/libreplan/web/common/LimitsModel.java
+++ b/libreplan-webapp/src/main/java/org/libreplan/web/common/LimitsModel.java
@@ -1,3 +1,22 @@
+/*
+ * This file is part of LibrePlan
+ *
+ * Copyright (C) 2015 LibrePlan
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
 package org.libreplan.web.common;
 
 import org.libreplan.business.common.daos.ILimitsDAO;
diff --git a/libreplan-webapp/src/main/java/org/libreplan/web/resources/machine/MachineCRUDController.java b/libreplan-webapp/src/main/java/org/libreplan/web/resources/machine/MachineCRUDController.java
index 88d255c76..2c29bde9b 100644
--- a/libreplan-webapp/src/main/java/org/libreplan/web/resources/machine/MachineCRUDController.java
+++ b/libreplan-webapp/src/main/java/org/libreplan/web/resources/machine/MachineCRUDController.java
@@ -37,7 +37,11 @@ import org.libreplan.business.common.exceptions.ValidationException;
 import org.libreplan.business.resources.entities.Machine;
 import org.libreplan.web.calendars.BaseCalendarEditionController;
 import org.libreplan.web.calendars.IBaseCalendarModel;
-import org.libreplan.web.common.*;
+import org.libreplan.web.common.BaseCRUDController;
+import org.libreplan.web.common.ConstraintChecker;
+import org.libreplan.web.common.Level;
+import org.libreplan.web.common.Util;
+import org.libreplan.web.common.ILimitsModel;
 import org.libreplan.web.common.components.bandboxsearch.BandboxMultipleSearch;
 import org.libreplan.web.common.components.finders.FilterPair;
 import org.libreplan.web.costcategories.ResourcesCostCategoryAssignmentController;
diff --git a/libreplan-webapp/src/main/java/org/libreplan/web/resources/worker/WorkerCRUDController.java b/libreplan-webapp/src/main/java/org/libreplan/web/resources/worker/WorkerCRUDController.java
index aee8b78b0..722db4f45 100644
--- a/libreplan-webapp/src/main/java/org/libreplan/web/resources/worker/WorkerCRUDController.java
+++ b/libreplan-webapp/src/main/java/org/libreplan/web/resources/worker/WorkerCRUDController.java
@@ -45,7 +45,13 @@ import org.libreplan.business.users.entities.User;
 import org.libreplan.business.users.entities.UserRole;
 import org.libreplan.web.calendars.BaseCalendarEditionController;
 import org.libreplan.web.calendars.IBaseCalendarModel;
-import org.libreplan.web.common.*;
+import org.libreplan.web.common.ConstraintChecker;
+import org.libreplan.web.common.IMessagesForUser;
+import org.libreplan.web.common.Level;
+import org.libreplan.web.common.MessagesForUser;
+import org.libreplan.web.common.OnlyOneVisible;
+import org.libreplan.web.common.Util;
+import org.libreplan.web.common.ILimitsModel;
 import org.libreplan.web.common.BaseCRUDController.CRUDControllerState;
 import org.libreplan.web.common.components.bandboxsearch.BandboxMultipleSearch;
 import org.libreplan.web.common.components.bandboxsearch.BandboxSearch;
diff --git a/libreplan-webapp/src/test/java/org/libreplan/web/test/ws/workreports/WorkReportServiceTest.java b/libreplan-webapp/src/test/java/org/libreplan/web/test/ws/workreports/WorkReportServiceTest.java
index 3eaac7fc3..d54ef6e30 100644
--- a/libreplan-webapp/src/test/java/org/libreplan/web/test/ws/workreports/WorkReportServiceTest.java
+++ b/libreplan-webapp/src/test/java/org/libreplan/web/test/ws/workreports/WorkReportServiceTest.java
@@ -32,7 +32,6 @@ import static org.libreplan.web.test.WebappGlobalNames.WEBAPP_SPRING_SECURITY_CO
 
 import java.lang.reflect.Method;
 import java.math.BigDecimal;
-import java.sql.*;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
@@ -45,12 +44,9 @@ import java.util.UUID;
 import javax.annotation.Resource;
 import javax.xml.datatype.XMLGregorianCalendar;
 
-import org.hibernate.CacheMode;
-import org.hibernate.Hibernate;
 import org.hibernate.SessionFactory;
 import org.hibernate.StatelessSession;
 import org.hibernate.criterion.Order;
-import org.hibernate.criterion.Projections;
 import org.hibernate.criterion.Restrictions;
 import org.joda.time.LocalDate;
 import org.joda.time.LocalTime;
@@ -99,6 +95,7 @@ import org.springframework.transaction.annotation.Transactional;
  * Tests for {@link IWorkReportService}.
  *
  * @author Manuel Rego Casasnovas <mrego@igalia.com>
+ * @author Vova Perebykivskiy <vova@libreplan-enterprise.com>
  */
 @RunWith(SpringJUnit4ClassRunner.class)
 @ContextConfiguration(locations = { BUSINESS_SPRING_CONFIG_FILE,