Merge pull request #56 from lawmay/master

move color functions and globals to their own helper file
Removes unnecessary variable
Fixed bug where disclosure button dissappears
Removed log line
Merge pull request #57 from Grimi94/fixDisclosureButton

Fix disclosure button
add pop-up message when no google results are found
Merge pull request #58 from lawmay/feedback-on-error

add pop-up message when no google results are found
Implemented asynchronousRequest on BartApiController
Merge pull request #59 from Grimi94/fixDisclosureButton

Implemented asynchronousRequest on BartApiController
Update README.md
no changes really
trying to make back button work
Merge pull request #60 from neillobo/refactor/fixBackButton

Refactor/fix back button
add alert view delegate in declaration