gem file change
Merge branch 'master' of https://github.com/selvachezhian/ror_meetup

Conflicts:
	Gemfile.lock
roles implemented
Merge remote-tracking branch 'origin/master'
doc edited
menu table added and authorize_user! excepted for login actions
menu structuring with roles and permission
Merged from Master and added forum pages
Merge branch 'master' of https://github.com/selvachezhian/ror_meetup into forum
Merged from Master and added forum pages