Use Firebase/ pods 

Remove UISearchDisplayController (firebase#732) 

Merge pull request firebase#696 from wimbledon/facebook_fix Facebook Auth Crash Fix

Merge branch 'auth' 

Merge pull request firebase#691 from morganchen12/auth Update Swift sample to Swift 5

update Firebase/Auth dependency to new version (firebase#649) * Remove resource_bundles from FirebaseOAuthUI. * Update Podfile.lock to the latest version. * Update Firebase/Auth dependency to 5.4

Merge pull request firebase#647 from firebase/tos 

Replace unlocalized alert with debug log and bump podspec 

Merge pull request firebase#612 from firebase/otp Fix crash in FUICodeField

Merge pull request firebase#607 from firebase/otp Support OTP when targeting earlier versions of the iOS SDK