implementing new catorization method
role tree save working
added missing files
updated role tree delete function
added role duplication detection, changed colorbox styling to fit more with the current jien style
updated role delete to prevent admin from being deleted.
Merge pull request #23 from uptownhr/master

added line to drop table
Merge pull request #24 from uptownhr/master

close #18. Added ability to remove scaffolded admin action with signatur...
re-indented
added parent add to tree
resolved conflict
close #3. added search to scaffold and modified jien_model::filter to support operators