- Cleanup and improvements to RequestContext related classes.
- Removal of obsolete Alfresco util classes.
Fixed up imports back to Alfresco versions of unused SpringSurf util classes
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@19322 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261