Fix AR-1464: Locale is carried into and out of the Content stack.

ApplicationContextHelper now gives out a singleton ApplicationContext and includes a 'closeApplicationContext' method.
Pulled all "org.alfresco.repo.content/**Test" classes into a single test suite.


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5722 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/content/AbstractContentReader.java

@@ -124,6 +124,7 @@ public abstract class AbstractContentReader extends AbstractContentAccessor impl
         // copy across common attributes
         reader.setMimetype(this.getMimetype());
         reader.setEncoding(this.getEncoding());
+        reader.setLocale(this.getLocale());
         // done
         if (logger.isDebugEnabled())
         {