authorization improvements for users in bands
add public user page controller and show view
float the navbar elements to the right side
Merge branch 'master' into publicUserPages
add songs and bands to public user page
add user public view
small hacky fix for requests controller.  Will be refactored next
added pending member requests method to Request model
fixed issues with scaffolded tests
renamed pending_member_requests_by_id to ..by_obj and added a pending requests method to band model
create method to send requet to band instead of individual members
wrote method to send message to band instead of band members
tightend requests controller and requests now go to bands instead of individual users.