Update ruby to 2.1.5
Merge pull request #67 from root04/adorechic/ruby_version

Update ruby to 2.1.5
Update rails to 4.1.7
Merge pull request #68 from root04/adorechic/rails_version

Update rails to 4.1.7
Added routing for adding project members.
Added function to list projects an user belongs to.
Organized the code in projects_controller.
Added function to add users to projects.
Publish order_set to outsourcee
Made some changes pointed in the review.
Made some changes pointed in the review.
Merge pull request #70 from root04/xengineer/add_member_to_project

Add member to project
Applied rails_12factor.
Merge pull request #73 from root04/adorechic/order_order_set

Publish order_set to outsourcee
Merge pull request #75 from root04/xengineer/apply_rails12_factor

Applied rails_12factor.
model method to revoke admin from member
controller method to revoke admin from member
add routes for revoke admin from member of an organization
add revoke action to users_organization controller
add form button to revoke admin from member