fixed super() call, propagate parent
instance QThreads passing a parent
fixed transitions for custom instance states, fixes gns-131
Merge pull request #45 from planctechnologies/gns-131

Fix bug where new instances would not build.
Merge pull request #44 from planctechnologies/gns-130

Gns 130: QThreads missing a parent QObject
Merge branch 'master' into dev
Enabling cloud functionality
Merge branch 'master' into dev
hardcode Ubuntu image in cloud preferences
removed references to the IAS server
return the list of cloud servers as a property
close cloud server connections when gns3 exits
Merge pull request #46 from planctechnologies/gns-132

Gns 132 Remove IAS (Image Access Server) code
Merge pull request #47 from planctechnologies/gns-136

Gns 136 gui won't exit when telnet session open to device
Merge pull request #153 from planctechnologies/dev

Remove image access server references
Fixes PyQt module usage.
Merge pull request #154 from dlintott/master

Validate the Idle-PC value and display an error if invalid
Fixes port sorting issues.
utility methods for shutting down cloud servers
remove nodes when removing instances