Update README.md
Move guard to core_dependencies
Merge branch 'master' into staging
Add .rubocop.yml
[travis] Add postgre 9.3 as addon
[travis] Set LineLength to 119 chars
[hound] Add .hound.yml
Update rubocop and hound config
Merge branch 'staging' of github.com:Genshin/gaku into semestrable