Gns3-gui

* Bump jsonschema to version 3.0.2
* Fix "Unable to change Remote Main Server IP". Fixes 2823
* Fix "AttributeError: 'QGraphicsTextItem' object has no attribute 'locked'". Fixes 2814
* Fix a minor typo in the setup wizard

* Fix issue preventing to open the QFileDialog in the correct directory.
* Remove unused edit readme action. Fixes 2816
* Remove deprecated Qemu parameter to run legacy ASA VMs. Fixes 2827
* Upload images on remote controller. Fixes 2828
* Preferences dialog: send API request only if connected to controller
* Fix AttributeError: 'QGraphicsTextItem' object has no attribute 'locked'. Fixes 2814
* Fix KeyError: 'chassis' when converting old IOS templates. Fixes 2813

* Fix template migration issues from GUI to controller. Fixes https://github.com/GNS3/gns3-gui/issues/2803
* %guest-cid% variable implementation for Qemu VMs. Fixes https://github.com/GNS3/gns3-gui/issues/2804
* Increase timeout from 2 to 5 seconds for synchronous check. Ref 2805

* Fix KeyError: 'endpoint' issue. Fixes 2802
* Fix wrong aligment of symbols in saved/exported projects. Fixes 2800
* Replace urllib.request by Qt implementation for local server synchronous check. Fixes 2793
* Support snapshots for portable projects. Fixes https://github.com/GNS3/gns3-gui/issues/2792
* Fix event notification problem for projects and how snapshots are restored.
* Do not close the nodes dock widget when creating project.
* Fix no scan for images on remote controller. Fixes 2799
* Use QNetworkAccessManager to download custom appliance symbols.
* Experimental auto upgrade should not be available for "frozen" app. Fixes 2797
* Don't allow link labels to be moved for locked nodes. Fixes 2794
* Catch more OSError/PermissionError when checking md5 on remote images. Fixes 2582
* Fix exception when grid size is 0. Fixes 2790
* Catch PermissionError when scanning local image directories. Fixes 2791

* Change behavior when an IOU license is verified. Fixes https://github.com/GNS3/gns3-server/issues/1555
* Fix cannot load new profile. Fixes 2784
* Fix remote packet capture when controller is also remote. Fixes 2785
* Set console type to "none" by default for Ethernet switches and add a warning if trying to use "telnet". Fixes https://github.com/GNS3/gns3-gui/issues/2776
* Add tooltip for symbol theme support in general preferences. Fixes 2770
* Support for persistent docker volumes

* Revert "Drop old Qemu support (Windows and macOS) and legacy ASA support." Ref https://github.com/GNS3/gns3-server/issues/1579
* Do not make NPF or NPCAP service mandatory to start the local server on Windows.
* Do not try to upload a local image that is already installed on the local server.
* Back to the major.minor version for config files. Ref https://github.com/GNS3/gns3-gui/issues/2756
* Some adjustments with compute WebSocket handling. Ref https://github.com/GNS3/gns3-server/issues/1564
* Fix AttributeError: 'GraphicsView' object has no attribute '_import_config_dir'. Fixes 2768
* Do not try to lock a SvgIconItem. Fixes 2766
* Prevent locked nodes to be deleted. Fixes https://github.com/GNS3/gns3-gui/issues/2764
* Add PuTTY 0.71 and mark GNS3 PuTTY as deprecated. Fixes 2758
* Fix bug with IOS platform detection. Fixes 2760