Merge pull request #3 from hassanakhtar/oashraf

Simple Membership Added and tested
Added some explicit cast operators, implemented TODOs on BLL Services
Merge pull request #4 from hassanakhtar/hakhtar

Added some explicit cast operators, implemented TODOs on BLL Services
-Membership + Role Management
-Base Controller added
-Simple Membership Data script having Roles insertion and Admin User insertion ( UserName=Admin : Password=click123 )