clean app of unused files

- did not clean spec folder
- added simple form
- added route for court adding
can add new court

- can add new court
- link to add court in header
- link to court show page from search results
- refactor locations and users controllers
- court new page and show page
format flash messages

- move duplicate before filters to application controller
- called now on errors after render
- format flash message appearances
Merge pull request #8 from merhard/add_court_page

Add court page