Revert "Stop tracking genreated files."

This reverts commit 45f4c3aa386a0e928a0399c8634c5bfd212a3602.
Merge commit '29b1cee57de031da24b57bcf861f5b319e33e0a9' into iOS_build
Delete the ".template"-type files from 00a8fd5dc69b4e4cebe7253bcc6cc8c5c1db7837, but not the iOS build files.
Improve `setTintColor:` method