Delete obselete files and setup.
Modify config.
Merge branch 'master' of github.com:korepwx/railgun into bugfix/SEC-1-ldap-signin-on-railgun

Conflicts:
	railgun/website/__init__.py
LDAP provider ok.
SEC-1 LDAP Signin done.

Cannot stay login when LDAP signin.

Signed-off-by: Dawei Yang <davy.pristina@gmail.com>