Initial rails app
Added skeleton of database.yml
Added devise for user. Updated Gemfile and .gitignore
- Basic Home page
- Added root page
- Added Seed data
Udated authentication system

* Added cancan gem and required files like migration files
* Added role model and updated user-role relationships
* Updated ability file for different users
* Updated Sign In GUI page
* Added customized registration controller
Implemented settings to fetch app level settings