Merge pull request #3 from rweindl/master

Grab rweindl latest
Update .gitignore to ignore private key file
Move private key back into separate file

- Avoids risk of committing the private key to a public repository
- GMPrivateMapsKey.m defines the value of kPrivateMapsAPIKey
- GMPrivateMapsKey.m is included in .gitignore, so is never committed
Avoid messaging self in init method

- Use ivars instead of dot notation
- Refactor removeGMSBlockingGestureRecognizer to be a class method
(avoids messaging self in init)

See http://qualitycoding.org/objective-c-init/ for background.
Adds mapView:didCancelDraggingMarker: delegate method

If drag ends but marker was not dragged, send a cancel message rather
than a drag ended message.
Add properties to GMDraggableMarkerManager to control marker animations

- Adds property markerAnimateUpDuration
- Adds property markerAnimateDownDuration
- Adds property markerAnimateUpDistance
- Adds property markerAnimateDownDistance
Merge pull request #4 from stephent/develop/1.3.1-fix-rw

Refinements and additional properties
Merge pull request #6 from stephent/master

A few refinements