Merge branch 'hotfix/codeclimate_badge' into develop
basic mailer
added configus for mail settings
Merge branch 'feature/mailer' into develop
add some integration tests and refactor prev tests
basic ransack
little refactor comments
Merge branch 'hotfix/test_refactor'
merge hotfix
refactor tests
Merge branch 'feature/ransack' into develop
Merge branch 'release/ransack'