Add function for snapshot creation and migration
Add PARAMETERS section for global parameters of the application
Add selector for snapshot based migration
Don't cache image file with fake cloud backend
Fix imports format in management module
Don't cache image file with fake cloud backend
Add instance_id property to FloatingIP class in fake
Add default role to all users in fake
Merge pull request #17 from MirantisLabs/fake-roles

Fake roles
Merge branch 'master' into snapshot-migration

Conflicts:
	pumphouse/management.py
Fix migration functions
Fix PEP8 issues
Add create_image function to Server class in fake Cloud back-end
Add default PARAMETERS
Fix snapshot repr for logging
Make wait_for not overwrite initial resource
Merge pull request #18 from MirantisLabs/snapshot-migration

Snapshot migration
Add copyright information
Merge remote-tracking branch 'origin/master' into taskflow

Conflicts:
	pumphouse/api/handlers.py
	pumphouse/exceptions.py