Add dotenv
Install paperclip
Add paperclip default config
Add image model
Generate paperclip column
Add attachment config
Add image uploading by paperclip
Merge pull request #63 from root04/adorechic/image

Upload image to S3 with paperclip
Set assets static serve config for heroku

See https://devcenter.heroku.com/articles/rails-4-asset-pipeline
Merge pull request #66 from root04/adorechic/assets_config

Set assets static serve config for heroku
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.