[site-release] Update core version to 6.1.2

Author: AlexandreClose

webapp/WEB-INF/conf/core.xml

@@ -1,9 +1,9 @@
-<?xml version="1.0" encoding="ISO-8859-1" standalone="no"?><plug-in>
+<?xml version="1.0" encoding="UTF-8"?><plug-in>
 
     <!-- Plugin Informations -->
     <name>core</name>
     <class>fr.paris.lutece.portal.service.plugin.PluginDefaultImplementation</class>
-    <version>6.1.2-SNAPSHOT</version>
+    <version>6.1.2</version>
     <description>portal.system.core_components.description</description>
     <documentation/>
     <installation/>