Merge pull request #2 from florianbeer/dev

Strip tags via RegEx instead of PHP's strip_tags()
Fix indentation issue.

Convert remaining tabs in edited files to spaces.
Merge branch 'dev'

Conflicts:
	app/controllers/CommentsController.php
	app/controllers/FeedController.php
	app/controllers/SnippetsController.php
Remove markdown content from repository

Rename upcoming.md to new.md and load correct file in home page view.
Delete contents of news.md and faq.md. The content of these files will
be regularly altered and is not part of the application. They can be
edited directly on the server in the future.