devise authentication and rooms controller added
Merge branch 'phase1' of https://github.com/sansarp/mrrs into phase1

merge the branch
database migrations
update files
bootstrap initial implementation, still more need to be done
rspec installed and tested for duplicate user check
migration files
merge files
user authentication
Room module done and test cases added
Merge branch 'phase1' of https://github.com/sansarp/mrrs into phase1
sign out should appear iff user is sign in, bootstrap layout, and few test cases
booking started
routes file
Merge branch 'phase1' of https://github.com/sansarp/mrrs into phase1

something
css for banner
set host parameter in config
Merge branch 'phase1' of https://github.com/sansarp/mrrs into phase1
feature test for signup user
booking the room