Remove swampdragon
This PR strips out all swampdragon and the functionality that it provided.
Testing instructions:
- set up environment ready to create instances
- make sure there is at least one instance reference to work with
- select an instance and click "Launch new AppServer"
- wait, refresh page, observe that new appserver has been created
- check "Log" tab to verify that logs load
- if appserver created successfully, select in and expand Log accordian. Verify that appserver logs load.
- refresh page and expand Log accordian again. Verify that new log entries appear since last load.