Modified loading of properties files for i18n messages in Javascript GUI. Now it is synchronous.

git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi/V_5.x/Server/trunk@24193 99afaf0d-6903-0410-885a-c66a8bbb5f81
Can also insert value with , will be converted in .

git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi/V_5.x/Server/trunk@24194 99afaf0d-6903-0410-885a-c66a8bbb5f81