add Gemfile.lock for Heroku deployment
Merge branch 'master' of https://github.com/nastysloper/dbc_stack_overflow_clone
Merge branch 'master' of https://github.com/nastysloper/dbc_stack_overflow_clone
Merge branch 'master' of https://github.com/nastysloper/dbc_stack_overflow_clone
remove username from database.yml file for Heroku
Merge pull request #32 from nastysloper/deploy

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