models user repo progress
tests
new debug gem
Add destroying of dependent repos and progress marks to user, clean up
Merge branch 'master' into feature/users-repos-progress-models

Conflicts:
	.gitignore
	Gemfile
	Gemfile.lock
	db/schema.rb
Merge pull request #13 from friggit/feature/users-repos-progress-models

Merging feature/users-repos-progress-models. Closes #7