* added a helper class to retrieve the colors for a particular line
* added dummy loading
* added using a dummy circle annotion MKAnnotationView
Merge branch 'master' of github.com:dlinsin/TrainJazz

* 'master' of github.com:dlinsin/TrainJazz:
  Add rearrangement for annotations with same coordinate

Conflicts:
	TrainJazzz.xcodeproj/project.pbxproj
	TrainJazzz/GCXViewController.m
Re-added CircleAnnotation View