Gns3-gui

* Default port set to 80 for server running in the GNS3 VM. Fixes 1737
* Make the Web UI the default page. Ref https://github.com/GNS3/gns3-server/issues/1737
* Fix "export portable project forgets contents of README". Fixes 1724
* Activate unified title and toolbar on MacOS. Fixes 2968
* Confirmation dialog for "console connect to all nodes". Fixes 2971
* Add "Resume all suspended links". Fixes 2858
* Revert "Change default path for SecureCRT. Fixes 2896"
* Remove property from ConfigurationDialog(). Fixes 2819 2965
* Use Environmental Markers to force jsonschema version. Fixes https://github.com/GNS3/gns3-gui/issues/2849 Version 3.2.0 with Python >= 3.8 Version 2.6.0 with Python < 3.8
* Use Environmental Markers to force jsonschema version 2.6.0 on Windows/macOS. Ref https://github.com/GNS3/gns3-gui/issues/2849
* Remove preferences dialog geometry restoration. Fixes 2807
* Fix unable to configure custom adapters for Qemu VMs. Fixes 2961

* Fix VNC console template doesn't extract %i (Project UUID). Fixes 2960
* Fix contextual menu issues. Ref 2955

* Prevent locked drawings to be deleted. Fixes https://github.com/GNS3/gns3-gui/issues/2948
* Fix issues with empty project variables. Fixes https://github.com/GNS3/gns3-gui/issues/2941
* Upgrade psutil to version 5.6.6 due to CVE-2019-18874 https://github.com/advisories/GHSA-qfc5-mcwq-26q8
* Use existing README.txt if existing when exporting portable project. Fixes https://github.com/GNS3/gns3-server/issues/1724
* Allow creation of a diskless Qemu VMs. Fixes 2939
* Re-enable "create new version" in appliance wizard. Fixes 2837
* Fix unable to load project from project library. Fixes 2932
* Fix some permission denied errors when loading remote project. Ref 2871 Fixes 2901
* Add 'Royal TS V5' to predefined console list
* Disallow invalid grid sized. Fixes 2908
* Check if hostname is blank. Fixes 2924
* Add nvme disk interface and fix scsi disk interface for Qemu VMs.
* Add latest Qemu nic models.
* Upgrade Qt version to 5.14.1. Ref 2778 2903

* Add gns3-gui.xml and update Linux icons paths & permissions. Ref 2919

* Fix "Console to all nodes" doesn't open cloud objects with console configured. Fixes 2902
* Change default path for SecureCRT. Fixes 2896
* Add icons in setup.py Ref 2898
* Add remote viewer as a VNC console for Linux. Fixes 2913

* Fix issue when binding on 0.0.0.0. Fixes 2892
* Allow double click on cloud with configured console to open session. Fixes 2894
* Officially support Python 3.8. Ref https://github.com/GNS3/gns3-gui/issues/2895
* Set psutil to version 5.6.3 in requirements.txt