Initial commit: cloudsigma2 artifact
Added: Drives listing
Added: detailed drives & drive info
Added: Creating of new drives
Added: Delete drive function
Added: Delete multiple drives
Changed Drive classes structure & removed unnecessary files
Changed: Server classes structures

+ commented usage in related classes & tests
Added: API function get server list
Added: API function for detailed servers listing
Added: API function for creating server
Added: API function for creating multiple servers
Added: API function for editing server
Added: API function for deleting single server
Added: API function for deleting multiple servers
Added: API function for getting server info
Added: API actions to start/stop server
Added: API actions to open/close VNC tunel
Added: API function to clone Server
Added: API action to start server in separate availability group