Gns3-gui

* Do not try to update link if it is being deleted. Fixes 2483.
* Fix can't add SVG image to project. Fixes 2502
* Remove unwanted trailing characters and other white spaces when reading .md5sum files. Fixes 2498.
* Update interface sequence number check. Fixes 2491.
* Logo should not have context menu, Fixes: 2507
* Update logo position only when changes, Fixes: 2506

* Ask for global variables when project is loaded
* Add/Edit global variables of project
* Rename tabs at Edit Project
* Global variables tab on Edit project
* Support of supplier logo and url
* Add missing crowdfunder name in About dialog.
* Project variables and supplier
* No timeout when duplicating a project.
* No timeout when restoring snapshot.
* Add advanced settings for docker and ExtraHosts param, Ref. 2482
* Replace "not supported" by "none" in topology summary view.

* Fix Qemu binary list locks when a version is deleted. Fixes 2474.
* Fix invalid answer from the PyPi server. Fixes 2473.
* Fix wrong wizard page name.
* Grid size support for projects. Fixes 2469.
* Remove 'include INSTALL' from MANIFEST. Fixes 2470.
* Check for valid IP address and prevent to run on non-Windows platforms.

* Update node on server on any change, Fixes: 2429
* Mark IOU layer 1 keepalive messages feature as non-functional. Fixes 2431.
* Images refresh when added via settings, Fixes:2423
* Emit project_loaded_signal after project creation
* Add option Show interface labels on new project, Ref. 2308
* Improve finding pyuic3.exe on Windows
* Use debug for error downloading file messages. Fixes 2398.
* Refresh buttons in the cloud node to query the server for available interfaces. Fixes 2416.
* Handle Certifacte Error, Ref. gns3-server1262
* Backward compatibility for tests, Ref. 2405?
* Use UTF-8 for IOURC file migration.
* Look for symbols on controller, Ref. 2405
* Display an error message if Telnet console program cannot be executed.

* Change messages when there are different client and server versions. Fixes 2391.
* Fix "Transport selection via DSN is deprecated" message. Sync is configured with HTTPTransport.
* Refresh CPU/RAM info every 1 second. Ref 2262.
* Only check for AVG on Windows
* Improve the search for VBoxManage.
* Allow telnet console to node with name containing double quotes. Fixes 2371.

* Update VMware promotion in setup wizard.
* Confirm exit. Fixes 2359.
* Fix with .exe build