Merge pull request #647 from firebase/schmidt-sebastian-patch-4

Update Changelog for RTDB 4.1.4

Author: schmidt-sebastian

Firebase/Database/CHANGELOG.md

@@ -1,3 +1,6 @@
+# v4.1.4
+- [added] Firebase Database is now community-supported on tvOS.
+
 # v4.1.3
 - [changed] Internal cleanup in the firebase-ios-sdk repository. Functionality of the RTDB SDK is not affected.