Add units management to Orchestra

[davidfischer-ch]

Tasks

Delayed = First implementation will be the IBC2013 scenario / client.

• [x] Orchestra : Add setup of JuJu to hooks
• [Delayed] Orchestra : Save units-related informations in database
• [Delayed] Orchestra : Add monitoring thread + update API according
• [Delayed] WebUI : Add units tab
• [Delayed] WebUI : Add environment tab (e.g. Amazon credentials) <- Not officially supported

  Add RESTful API methods

• [x] List environments
• [x] Count environments
• [Delayed] Add environment <- Not officially supported
• [Delayed] Remove environment (except default) <- Not officially supported
• [x] List transform units
• [x] Count transform units
• [x] Deploy transform units <- Not officially supported
• [x] Remove transform units <- Not officially supported
• [x] List a transform unit
• [x] List publisher units
• [x] Count publisher units
• [x] Deploy publisher units <- Not officially supported
• [x] Remove publisher units <- Not officially supported
• [x] List a publisher unit