JTR/BDOG: controller test passes - deleted topics should change their snippets topic_id to the unassigned status '0'
JTR/BDOG: fix snippet controller test by setting redirect_back env variable in the test environment
Fixed associations between users and snippets.
Merge branch 'master' into JTR/Bdog-Delete_snippet

Conflicts:
	spec/controllers/snippets_controller_spec.rb
full team test bugfix: complete MVP built
Merge pull request #37 from gopher-snakes-2013/JTR/Bdog-Delete_snippet

Jtr/bdog delete snippet