CSS class to host horizontal categories
moved categories to the bottom
containers with style for horizontal categories
Outputting - horizontal categories from helper method
Adds option to input existing heroku app name
Fixes #578
Asks for branch name when installing or updating heroku install
Fixes #577
remove unused helper methods. closes gh-551
Merge pull request #580 from oscurrencyVRL/travis

Travis
Revert "Merge pull request #580 from oscurrencyVRL/travis"

This reverts commit d9e4af24f77eaa5a488628fd4ca14d7b644d338c, reversing
changes made to 940503910f7396ea2c18c033f414b8adce6d92e1.
Merge pull request #581 from oscurrency/fix_silly_mistake

Revert "Merge pull request #580 from oscurrencyVRL/travis"
Merge pull request #579 from davefp/script_fixes

closes gh-577. closes gh-578.
Merge branch 'master' of github.com:oscurrencyVRL/oscurrency

* 'master' of github.com:oscurrencyVRL/oscurrency:
Merge branch 'master' of github.com:oscurrency/oscurrency

* 'master' of github.com:oscurrency/oscurrency:
  Revert "Merge pull request #580 from oscurrencyVRL/travis"
  Asks for branch name when installing or updating heroku install Fixes #577
  Adds option to input existing heroku app name Fixes #578