Added CSRF protection in forms
Made the hash field as unique field in Module Builder instead of name
3 times fail to login will automatic block user for 10 min
username can have alpha-numeric characters, as well as dashes and underscores.
Merge branch 'security-fixes'
Added Menu Positions
Added menu_positions SQL in sample database
Integrated Menu Position with existing Menu Manager
Bug fix: Syntax error in BuiltModule model