v2.1.0

• Added GeoFire.ref() method.
• Added error checking for firebaseRef parameter.

v2.0.2

• Fixed bug where we cleaned up a location which had not yet been added, resulting in a console error.

v2.0.1

• Fixed casing issue when including RSVP via Node's require().

v2.0.0

• Complete re-write of the entire GeoFire library.
• Brand new API which is more in line with the Firebase web client.
• Improved performance.
• Comprehensive test suite.
• Fixed some long-standing bugs from previous versions.