readme: describe travis setup for kickstarter forks
readme: update code section in lists and fix typo
move travis rake task into IntegrationTask class
add task to encrypt infopark credentials for travis and update readme accordingly
create travis specific task in the kickstarter gem
Merge branch 'feature/readme-travis' into develop

* feature/readme-travis:
  create travis specific task in the kickstarter gem
  add task to encrypt infopark credentials for travis and update readme accordingly
  move travis rake task into IntegrationTask class
  readme: update code section in lists and fix typo
  readme: describe travis setup for kickstarter forks