Cleaned up models.
No need for a sendmail compatible smtp anymore.
Updated requirements.
Huge cleanup. Simplified lexer massively. Cleaned up view code. Cleaned up syntax highlighting.
Update test_api.py
Shorter random URLs and no longer a trailing slash.
Merge branch 'develop'

Conflicts:
	dpaste/urls/dpaste.py
	dpaste/views.py
Fixed couple of merge issues