Implemented #738 Giving a user WRITE+ permissions on folder should not allow repo creation in root folder. user can create repos only if he got explicitly permission for creating repos globally, or have WRITE+ permission on a group. Then he can create repositories inside this group

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$