menu action and empty slot for exporting project
zip project contents
implemented uploading zipped project files to cloud files
Merge commit '7918171' into keypairs
Merge commit '31d49f1' into iasurl
Merge commit '930ddbc' into heartbeat
Merge commit '5c167ed' into security
Merge branch 'dev' into serverstart
Merge pull request #97 from planctechnologies/keypairs

ssh keypairs stored per-server
Merge pull request #98 from planctechnologies/iasurl

Read the image access server URL from the config file
Merge pull request #99 from planctechnologies/heartbeat

Send heartbeat messages from the gui to the server
Merge pull request #100 from planctechnologies/security

Add SSL support to websocket connection
Merge pull request #101 from planctechnologies/serverstart

Remote server start and ssh tunnel
Fix missing paramiko module in setup.py and disable broken server version check.
implemented uploading image files to cloud files if they don't already exist
Improvements on the preferences dialog.
Fix apply in preferences dialog.
bugfix: check if a node has an image before trying to upload it
merged dev into gns53
Merge pull request #27 from planctechnologies/gns53

GNS-53 export project to cloud