2017-01-31 -- v1.0.9

Removed an error being mistakenly logged to the console.

2016-07-06 -- v1.0.8

Don't store InstanceID plists in Documents folder.

2016-06-19 -- v1.0.7

Fix remote-notifications warning on app submission.

2016-05-16 -- v1.0.6

Fix CocoaPod linter issues for InstanceID pod.

2016-05-13 -- v1.0.5

Fix Authorization errors for InstanceID tokens.

2016-05-11 -- v1.0.4

Reduce wait for InstanceID token during parallel requests.

2016-04-18 -- v1.0.3

Change flag to disable swizzling to FirebaseAppDelegateProxyEnabled.
Fix incessant Keychain errors while accessing InstanceID.
Fix max retries for fetching IID token.

2016-04-18 -- v1.0.2

Register for remote notifications on iOS8+ in the SDK itself.