Added .gitignore

Added .gitignore for Drupals:
- generated content
- settings files
- default text files
Revert "Added .gitignore"

This reverts commit 8dfd94b226fc866e755e3a938801e1f8788c8478.
Revert "Revert "Added .gitignore""

This reverts commit ace3901107944283c56ee4ffd5036e6c2f4c57c5.
Merge branch 'master' of https://github.com/sauerbraten-fork/website

Conflicts:
	.gitignore