Create folders for sandbox management commands
Remove oauth_consumers
Refactor code structure

* Removed models from api
* Create new app opendevelop_users to hold App, OpendevelopUser
  models
Continue refactor

* Move OpenDevelopUser
Start implement cli
Add user-create args
Create new user from cli
PEP8 Fixes
opendeveop_users: Fix user-create

* Make email field unique
* Add success message
Start implement app-create
Create new app from cli
Start image-create command
Need to change server api version
Omit version from server.api
image-create command

Usage: image-create --name <image_name> --description <image_description>
                    --docker_image <docker_image>
Start implementing server-create
server-create: Specify arguments
Finish server-create command

Usage: server-create --name <server_name> --url <management_url>
                     --buckets <bucket_dir>
Slugify image name before saving
Pre save signal should affect only Image model