Implementes #509 require SSL flag now works for both git and mercurial. - check is done at earlies possible stage - if detected protocol is not https and flag require is there RhodeCode will return HTTP Error 406: Not Acceptable, before even checking credentials - removed push_ssl flag from mercurial UI objects since that would duplicate logic

syntax: glob
*.pyc
*.swp
*.sqlite
*.tox
Paste*.egg

syntax: regexp
^rcextensions
^build
^docs/build/
^docs/_build/
^data$
^\.settings$
^\.project$
^\.pydevproject$
^\.coverage$
^rhodecode\.db$
^test\.db$
^RhodeCode\.egg-info$
^rc\.ini$
^fabfile.py
^\.rhodecode$