Gns3-gui

* Info added to the Nat node
* Add missing popup information in cloud and docker node
* Handle invalid json in websockets
* Avoid invalid bad request error when receiving partial answer
* Catch parse error for broken SVG
* Filter QXcbConnection log messages
* Catch class 'PyQt5.QtNetwork.QNetworkReply'> returned a result with an error set
* Fix KeyError: 'overlay_notifications'

* Fix permission error when importing a project on a remote server
* Fix RecursionError
* Fix 'NodesDockWidget' object has no attribute 'loadPath'
* Fix 'MainWindow' object has no attribute '_settings
* Fix object has no attribute 'warning_signal'
* Fix timeout issues when using an appliance
* Make sure ubridge path is not a directory

* Packet filtering
* Suspend a link
* Duplicate a node
* Move config to central server
* Appliance templates on server

* Display error when we can't export files
* Fix auth header not sent is some conditions
* If we have auth issue at server startup continue to get better error
* Do not override IOU configuration file when you change the image
* Fix some PNG loading issues on Windows
* Handle label with missing elements
* Support floating value for font size
* Handle partial json in a response
* Add Dominik as a new team member

* Show a default symbol in case of corrupted file
* When another gui is already running exit instead of proper close to avoid any issue
* Fix duplicate on remote server use wrong location
* Display the location of settings when we disallow opening due to old release
* Improve search for dynamips in development on OSX
* Fix error display when loading a .png custom symbol
* Fix a crash in the progress dialog
* Fix a race condition when exporting a closed project
* Fix RuntimeError: wrapped C/C++ object of type NodeItem has been deleted

* Improve inline help. Fixes 1999. Add a warning about wifi interfaces in the cloud. Fixes 1902.
* Copy remote directory path into clipboard in "Show in FileManager". Fixes 1966.
* Fix display of error in progress dialog when we don't have thread
* Fix lost slot and port in dynamips settings
* Do not run import / export of project in seperate thread
* Assert when running an HTTP query outside the main thread
* Proper error when you try to load the pid file as config file
* Log malformed svg text item
* Fix a race condition when right click and delete a node at the same time
* Fix a race condition when snapshoting a closed project
* Update doctor_dialog.py
* Catch remaining missing function listxattr on some Linux host.
* Fix a race condition when creating node and closing project
* Fix error if you put a path in a .gns3a file for qemu
* Fix AttributeError: 'NoneType' object has no attribute '_refreshVisibleWidgets'
* Do not crash if the logging code raise an exception
* Fix some crash in dynamips device preference page
* Fix warning when loading IOU images on Windows
* Do not crash if you don't have configure a packet capture program on Windows
* Ignore error when we can't kill the packet capture
* Fix AttributeError: 'NoneType' object has no attribute 'wasCanceled'
* Fix RuntimeError: wrapped C/C++ object of type QComboBox has been deleted
* Fix RuntimeError: wrapped C/C++ object of type QTreeWidgetItem has been deleted
* Fix detection of https when use for the local server
* Silent the _COMPIZ_TOOLKIT_ACTION warning
* Cacth TypeError: native Qt signal is not callable
* Fix AttributeError: 'C7200' object has no attribute 'warning_signal'
* Catch missing function listxattr on some linux host
* Disallow opening a .gns3 on a remote server
* Fix project closing when we have multiple client connected