tidied up things a bit
Merge branch 'master' of https://github.com/gopher-snakes-2013/steak_overflow into delete-user-topics

Conflicts:
	spec/features/topic_spec.rb
Logged in users can delete topics they have created
* Tests for editing/deleting have been added
* Refactoring needed in spec folder; helper methods?
Merge pull request #19 from gopher-snakes-2013/delete-user-topics

Delete user topics