ENHANCEMENT adding Crux Zoom feature

git-svn-id: http://crux-framework.googlecode.com/svn@4968 a5d2bbaa-053c-11de-b17c-0f1ef23b492c
ENHANCEMENT - Datasource refactoring, Creating Pagers 

git-svn-id: http://crux-framework.googlecode.com/svn@4969 a5d2bbaa-053c-11de-b17c-0f1ef23b492c