Added flags
Merge branch 'dev' into feature/flagging
added polymorphic relationships. updated the routes
tests pass
remove edit path for flags
updated tests
100% covereage for flag controller test. Added flag validations
documentation
Updated abilities
added model tests
Added reporting ui elements
Updated the flags index page
Made it so that reason must be in a certain group in the model
documentation
Added flagging dropdown to the form
Added solution show page for flagging link
added reasons fixed #190
Added comments and test for comment controller show
Only submit one flag per thing. fixed #191
Added some flaggin tests