[ENH] Added ability to provide a custom URL for the categories as well as put in a parameter to only show children, rather than all descendants when providing a parent category id.   
[ENH] Added ability to provide a custom URL for the categories as well as put in a parameter to only show children, rather than all descendants when providing a parent category id. 
 


git-svn-id: a7fabbc6a7c54ea5c67cbd16bd322330fd10cc35@59933 b456876b-0849-0410-b77d-98878d47e9d5

tikiorg/tiki,oregional/tiki,oregional/tiki,tikiorg/tiki,oregional/tiki,oregional/tiki,tikiorg/tiki,tikiorg/tiki