Update CoordinateCollection.sift.gyb - Removing _Storage typealias. - Removing ++ and replacing with += to be compatible with Swift 3.0 (they are removing ++) - Implementing removeLast.
Update CoordinateCollection.sift.gyb
- Removing _Storage typealias.
- Removing ++ and replacing with += to be compatible with Swift 3.0 (they are removing ++)
- Implementing removeLast.

tonystone/geofeatures2,tonystone/geofeatures2,tonystone/geofeatures2