Added StartingViewController

- Added as well a category to be used to setup the new VC's UI.
- Added a Test class for this specific VC
Merge pull request #5 from RuiAAPeres/master

Added the StartingViewController
Using old CocoaPods give conflicts in the Podfile.lock

$ pod installAnalyzing dependencies[!] The version of CocoaPods used to generate the lockfile is higher that the one of the current executable. Incompatibility issues might arise.