Gns3-server

* Add Juniper JunOS space appliance.
* Sync checkpoint gaia appliance template.
* Sync appliance templates.
* Make sure we use an IPv4 address in the remote install script.
* Delete old pcap file when starting a new packet capture.
* Fix bug preventing to export portable projects with IOU images.
* Ignore invalid BPF filters. Ref 1290.
* Different approach to handle no data returned by uBridge hypervisors. Fixes 1289.
* Do not raise exception if Dynamips or uBridge hypervisor don't return data and are still running. Fixes 1289
* Fix Dynamips private config not loaded into nvram when starting a router. Fixes 1313.
* Make sure we don't try to read when opening a file in binary more. Fixes 1301.
* Compatybility with controller, default_symbol and hover_symbol, Fixes: 2444
* Filter snapshots directory during the snapshot, Fixes: 1297
* Handle docker env with last empty line, Fixes: 2420
* Require uBridge version 0.9.14 on Linux
* Pywin32 instead of pypiwin32, Ref. 1276
* Fix missing 'locales' package in base image
* Implement a minimum interval between psutil calls. Fixes 2262
* Fix error when appliance template is broken (missing fields). Fixes 1287.
* Fix "Change of linked base VM doesn't work with templates migrated from 2.0"
* Fix "Unable to override non-custom VMware adapter".
* Let a project be opened when a port cannot be found (can happens if a project is corrupted).
* Add an error message when Docker container is not ready to be started. Ref 1281.
* Update documentation.
* Sync appliance files.
* Fix issue when running multiple project containing IOU nodes on the same server. Ref 1239.
* Set first byte to 52 when generating a random MAC address for a Qemu VM. Ref 1267.
* Update link state and save project when a link is suspended or filters are added/removed (without node properties set).
* More generic dependency for pypiwin32, Ref. 1276

* Update appliance files.
* Suspend for Docker nodes.
* Unlock yarl version and multidict
* Fix same MAC address for duplicated Qemu nodes.
* Fix same base MAC for duplicated IOS routers. Fixes 1264.
* Fix "Creating multiple IOU nodes at once assigns the same application id". Fixes 1239.
* Fix "Transport selection via DSN is deprecated" message. Sync is configured with HTTPTransport.
* Refresh CPU/RAM info every 1 second. Ref 2262.
* Rename ethernet switch arp command to mac
* Fix error while getting appliance list. Fixes 1258.
* Fix UnboundLocalError: local variable 'node' referenced before assignment. Fixes 1256.
* Default symbol must be computer.svg
* Compatibility for old node templates (those with default_symbol and hover_symbol properties).
* Fix problem when searching for VBoxManage. Fixes 1261.
* Improve the search for VBoxManage.
* Fixing race condition when starting the GNS3 VM.
* Default VPCS name format is now PC-{0}.

* Do not show log message if configuration file doesn't exist. Fixes 1206.
* Update API documentation
* Update API documentation. Fixes 1253.
* GNS3-API: implement GET for specific drawing and link Fixes 1249

* Protect variable replacement for Qemu options. Escape double quotes.
* Add proper exception when cannot find tunnel on QEMU, Fixes: 1241
* Increase timeout for creation of image, Ref. 2239
* Protect variable replacement for Qemu options.
* Do not overwrites persistent Docker volumes. Fixes 2358.
* Allow users to see an error when the server cannot stream a PCAP file.
* Fix issue with Qemu + SPICE when IPv4 is not enabled.
* Warn users if the GNS3 VM and local server are not in the same subnet. Fixes 1231.
* Add missing appliance files.
* Update appliance files.
* Fix auto idle-pc from preferences.
* Keep consistance of aiohttp.web.HTTPForbidden() execution
* Make sure connected links are removed when a node is deleted.
* Validate idle-pc values for auto idle-pc feature.
* Fix error when updating packet filter on stopped Docker link. Fixes 1229.
* Remotely close telnet console. Ref 2330
* EthernetSwitch closing connections, Ref: gui/2330
* Export files from remote server, Fixes: gui/2271
* New option: require KVM. If false, Qemu VMs will not be prevented to run without KVM.
* Implement variable replacement for Qemu VM options.
* Avoid duplicate "-nographic" option.
* Show qemu-img stdout in case of an error.
* Use the correct NVRAM amount when pushing private config to IOU.
* Check and fix corrupt Qemu disk images. Fixes 2301.
* Update warning messages when connecting to non custom adapter for VMware VMs.
* Fix "Can't use VirtualBox VM when an interface is managed by VirtualBox". Fixes 2335.
* Add low disk space warning when creating a new project.

* Fix typo in vcpus on VirtualBoxVM, fixes: 1213

* Fix GNS3VM vCPUs control on VMware, fixes: 2324
* Fix typo in sample gns3_server.conf. Fixes 1210.
* Warning for getting endpoint of compute
* Enable debug mode on async loop only in dev/debug mode
* Add warning when using IOU with a hostname length above 15 characters.
* Improve VMware VMs discovery process. Ref 1201.
* Improve error message when IOU VM process is unexpectedly stopped.
* Improved error message when the number of network adapters is above the maximum for VirtualBox VMs. Better support for potential future chipsets in addition of PIIX3 and ICH9.
* Added localhost and gns3.github.io CORS