Refactor filter_by_category and search_by_keyword
Use self instead of full model name
Remove comments
Refactor category arel table behind method
Refactor conditions for category inclusion behind method
remove keyword sanitizing
Merge branch 'develop' of https://github.com/AgileVentures/LocalSupport into arel_improvements
merging in organization rename
Merge pull request #9 from tansaku/arel_improvements

Arel improvements
Merge pull request #75 from marianmosley/arel_improvements

Arel improvements