Replaced browser-prefixed border-radius elements from CSS files

The latest versions of some browsers were about to drop compatibility
whith these prefixes, so just the Candidate Recommendation is kept.

FEA: ItEr77S04BugFixing

libreplan-webapp/src/main/webapp/common/css/libreplan_zk.css

@@ -270,16 +270,14 @@ body .advancedallocationlayout .icono .z-button-cm {
 }
 
 .message_ERROR, .message_INFO {
-    -moz-border-radius: 10px;
+    border-radius: 10px;
-    -webkit-border-radius: 10px;
     padding: 15px;
     margin: 10px;
     width: 300px;
 }
 
 .message_WARNING {
-    -moz-border-radius: 10px;
+    border-radius: 10px;
-    -webkit-border-radius: 10px;
     padding: 10px 5px;
     margin: 5px;
 }
@@ -321,8 +319,7 @@ div.z-errbox {
     background-color: #EECCCC;
     color:red;
     border:solid 1px red;
-    -moz-border-radius: 10px;
+    border-radius: 10px;
-    -webkit-border-radius: 10px;
 }
 
 .advancedallocationlayout .message_WARNING {
@@ -332,8 +329,7 @@ div.z-errbox {
 }
 
 h4.message_WARNING {
-    -moz-border-radius: 10px;
+    border-radius: 10px;
-    -webkit-border-radius: 10px;
     padding: 10px 5px;
     margin: 25px;
     font-size: 12px;
@@ -853,8 +849,7 @@ div.z-listbox-pgi-b {
 .orderTree .not-scheduled span.scheduling-state,
 .orderTree .partially-scheduled span.scheduling-state,
 .orderTree .completely-scheduled span.scheduling-state {
-    -moz-border-radius: 1px 6px 1px 6px;
+    border-radius: 1px 6px 1px 6px;
-    -webkit-border-radius: 1px 6px 1px 6px;
     border: 1px solid #888888;
     color: #888888;
     font-weight: bold;
@@ -899,8 +894,7 @@ span.z-dottree-line {
 
 .z-menu-body {
    background-color: #d4e1ef;
-   -moz-border-radius: 10px 10px 0 0;
+   border-radius: 10px 10px 0 0;
-   -webkit-border-radius: 10px 10px 0 0;
 }
 
 .z-menu-inner-m .z-menu-btn {
@@ -966,8 +960,7 @@ span.z-dottree-line {
     padding-top: 60px;
     background-position: 18px 10px;
     background-repeat: no-repeat;
-    -moz-border-radius: 2px;
+    border-radius: 2px;
-    -webkit-border-radius: 2px;
 }
 
 .perspective .z-button-cm {
@@ -996,8 +989,7 @@ span.z-dottree-line {
 }
 
 .perspective-active .z-button-cm {
-    -moz-border-radius: 2px;
+    border-radius: 2px;
-    -webkit-border-radius: 2px;
     color: #FFFFFF;
     border-color:#006699 #DFF5FE #DFF5FE #006699;
 }
@@ -1231,8 +1223,7 @@ tr.z-treerow-over input {
 }
 
 .migas_linea span.scheduling-state {
-    -moz-border-radius: 6px;
+    border-radius: 6px;
-    -webkit-border-radius: 6px;
     border: 1px solid #888888;
     color: #888888;
     font-weight: normal;
@@ -1662,8 +1653,7 @@ input.z-datebox-text-disd {
 
 .perspectives-column .z-button-cm,
 .toolbar-box .z-button-cm  {
-    -moz-border-radius: 2px;
+    border-radius: 2px;
-    -webkit-border-radius: 2px;
 }
 
 .z-button.icono tbody, .z-button.icono tbody:hover, .z-button.icono tbody:active {

libreplan-webapp/src/main/webapp/common/css/login.css

@@ -22,8 +22,7 @@ body {
     background-color: #E4F3D9; /* green0 (normal background) */
     color: #58A758; /* green3 (text) */
     border: 1px solid #439e32; /* green4 (border) */
-    -moz-border-radius: 3px;
+    border-radius: 3px;
-    -webkit-border-radius: 3px;
     font-size:12px;
     font-family: Arial, Helvetica, sans-serif;
     margin-top:15px;
@@ -84,8 +83,7 @@ a.ayuda:hover {
     color: #ee0000;
     border: solid 1px #ee0000;
     background-color: #eecccc;
-    -moz-border-radius: 10px;
+    border-radius: 10px;
-    -webkit-border-radius: 10px;
     padding: 15px;
     margin: 10px;
     margin-top: 30px;
@@ -105,8 +103,7 @@ body .not-supported {
     padding: 10px;
     border: solid 1px #ee0000;
     background-color: #eecccc;
-    -moz-border-radius: 10px;
+    border-radius: 10px;
-    -webkit-border-radius: 10px;
 }
 
 .libreplan-version {

libreplan-webapp/src/main/webapp/planner/css/ganttzk.css

@@ -249,14 +249,12 @@
 
 div.box.limiting-assigned {
     background-color: #61b598; /* LIMITING_RESOURCES_DARK_GREEN */
-    -moz-border-radius: 15px;
+    border-radius: 15px;
-    -webkit-border-radius: 15px;
 }
 
 div.box.limiting-unassigned {
     background-color: #c1d9d1; /* LIMITING_RESOURCES_GREEN */
-    -moz-border-radius: 15px;
+    border-radius: 15px;
-    -webkit-border-radius: 15px;
 }
 
 .toggled {
@@ -805,8 +803,7 @@ div.limitingresourcesleftpane  {
 
 .queue-element {
     background-color: #61b598; /* LIMITING_RESOURCES_DARK_GREEN */
-    -moz-border-radius: 12px;
+    border-radius: 12px;
-    -webkit-border-radius: 12px;
     border: solid 1px;
     float:left;
     height:10px;
@@ -814,8 +811,7 @@ div.limitingresourcesleftpane  {
 }
 
 .queue-element.truncated-end {
-    -moz-border-radius: 12px 0 0 12px;
+    border-radius: 12px 0 0 12px;
-    -webkit-border-radius: 12px 0 0 12px;
 }
 
 .queue-element.unmet-deadline {
@@ -897,8 +893,7 @@ height: 100%
     z-index: 6;
     background-color: rgb(255, 202, 135);
     background-color: rgba(255, 202, 135, 0.9);
-    -moz-border-radius: 2px;
+    border-radius: 2px;
-    -webkit-border-radius: 2px;
     padding: 0 3px;
 }
 
@@ -1252,10 +1247,8 @@ body .perspectives-column {
     background-color: #407865;
     height: 6px;
     margin-top: 2px;
-    -moz-border-radius-bottomleft: 2px;
+    border-top-left-radius: 2px;
-    -moz-border-radius-topleft: 2px;
+    border-bottom-left-radius: 2px;
-    -webkit-bottom-left-radius: 2px;
-    -webkit-top-left-radius: 2px;
 }
 
 .limiting-assigned .completion2, .limiting-unassigned .completion2 {