fix validation widgets
Merge pull request #154 from avelino/master

fix validation widgets
validate admin permissions when rule is user
fix validation
list filters
fix order by
Merge pull request #155 from avelino/master

fix access to permission group admin and order by
fix order by home
Merge pull request #156 from avelino/master

fix order by home
refactoring open mining application
Merge branch 'master' of https://github.com/avelino/mining into cube_merge

* 'master' of https://github.com/avelino/mining:
  fix order by home
  fix order by
  list filters
  fix validation
  validate admin permissions when rule is user
  fix validation widgets

Conflicts:
	mining/controllers/api/user.py