fill create instance combo box in cloud inspector
ask users a name for the new instance
make SSH keys optional for instance creation
get an image instance by ID
translave flavor id into GNS3 sizes  inside Qt model
added thread for creating instances in background
better sync with rackspace data
make obvious in the gui that an instance is being deleted
adjust column size when new rows are added
fixed tests
updated ias url
store cloud instances into topology
emit signal when a project is about to be closed
added method to clear cloud inspector contents
when a project is created and is of type cloud, fill cloud inspector
emit project_new_signal in the right places
update settings before saving project to avoid gns3 file containing wrong data
fixed typo in dict key
store also instance id
added utils module