added screenshot folder to gitignore

Author René Welbers <git@gecko-development.com>
Author date 2016-01-21 16:19:02
Author local date 2016-01-21 17:19:02 +0100
Committer René Welbers <git@gecko-development.com>
Committer date 2016-01-21 16:19:02
Committer local date 2016-01-21 17:19:02 +0100
Commit 42ebf4335e479b1c1f5f3dec7cb5e5038b7b56ae
Tree 334024411e368402833483a04b56c5cbb077dfb0
Parent 6a2f2324a1f2baa9e19cd440545905d08653f7ed
added screenshot folder to gitignore