Update to Firebase 4.0

v2.0

Update frameworks in project

Return final file name when uploading to storage

v1.3.3

Pass back final name instead of storage ref

Include ref path in JSON object

v1.3.2

Include ref path in json object from Subscribing

Add support for direct updating

Add additional method to allow directly updating

This avoids the recursive updating that gets around the Firebase base where `updateChildValues` was removing other values.

Add support for upload and delete using Firebase storage

v1.3.0

Add support for upload and delete

Update Firebase SDK to 3.9

v1.2.4

Update Firebase SDK to 3.9

Support monitoring connection

v1.2.3

Add support for monitoring connection

Allow for specifying user to receive email verification

v1.2.2

Improve function signatures for Swift 3

Fix errors with Swift 3

v1.2.1

Convert functions to use ActionCreators

Swift 3 support

v1.2.0

Swift3 (#3)