Merge pull request #14 from neggro/master

Please read the comment, it's pretty complete
added again ionic.project to the project, but with 'sass: false', also added platform ios to emulate
updated ionic to beta.12
downgrade to beta.11 because issues with alert, and maybe some other issues
added Fuels module
added closeOptionButtons when someone cancel the delete of Cars or Refuels, that is already included in Fuels