Updated rakefile
Moved osu_helper to lib; Cleanup some unused files
Moved osu_helper; Moved some requires out of lib/openstax_utilities
Dummy app fixes for Travis
Delegate Access Control To; Rails 4 dummy app
RSpec 3
Added newline for consistency
Added keyword search general search class
Added dependency on lev and keyword_search
Renamed KeywordSearch to AbstractKeywordSearch, added specs
Search handlers and specs
Changed sanitize_names to to_string_array
Merge pull request #7 from Dantemss/master

Small code cleanup, moving files from app to lib, shared search routine and handler