update indentation in user show view
started omniauth2 integration
Add commit migration
Add commits model with association to repositories:
-Add repository id column to the commit migrations
Merge pull request #22 from alexung/commit_model_assoc

Commit model assoc
Update .env
Delete .env
Merge pull request #24 from alexung/omniauth2

Omniauth2
Test .env
Merge remote-tracking branch 'origin/master' into commit_model_assoc
Merge pull request #25 from alexung/test_env

Test env
fixed merge conflicts