Wrap gettext plugin inside a new profile i18n to save time while developing

As number of languages is increased, the time used to process them is bigger
every time you do a "mvn clean install". Thanks to this new profile you could
save some timpe passing the following argument "-P-i18n".

FEA: ItEr76S03Community

ganttzk/pom.xml

@@ -12,6 +12,12 @@
     <packaging>jar</packaging>
     <name>LibrePlan ZK Components Module</name>
 
+    <profiles>
+        <profile>
+            <id>i18n</id>
+            <activation>
+                <activeByDefault>true</activeByDefault>
+            </activation>
             <build>
                 <plugins>
                     <plugin>
@@ -47,6 +53,11 @@
 
                     </plugin>
                 </plugins>
+            </build>
+        </profile>
+    </profiles>
+
+    <build>
         <pluginManagement>
             <plugins>
               <!--This plugin's configuration is used to store Eclipse m2e settings only. It has no influence on the Maven build itself.-->

libreplan-webapp/pom.xml

@@ -162,11 +162,12 @@
                 </plugins>
             </build>
         </profile>
-    </profiles>
+        <profile>
-
+            <id>i18n</id>
+            <activation>
+                <activeByDefault>true</activeByDefault>
+            </activation>
             <build>
-        <finalName>libreplan-webapp</finalName>
-
                 <!--
                     Gettext Commons plugin
                        goals:
@@ -192,6 +193,13 @@
                         </executions>
                     </plugin>
                 </plugins>
+            </build>
+        </profile>
+    </profiles>
+
+    <build>
+        <finalName>libreplan-webapp</finalName>
+
         <pluginManagement>
             <plugins>
               <!--This plugin's configuration is used to store Eclipse m2e settings only. It has no influence on the Maven build itself.-->