Gns3-server

* Update API documentation
* Allow to send the iourc when starting the VM
* Return stdout when a process crash for IOU, Dynamips, uBridge and VPCS.
* Adds -no-kvm to the ASA template and ignore -no-kvm on platforms other than Linux. Should resolve 472.
* Allow user to change the configuration file
* Fix double loading of config from working directory
* CORS support
* Support server config in current working directory
* List only valid existing IOS images (for IOS router wizard).
* Checks if IOS image exist at startup and not during node creation. Fixes 240.
* When a qemu VM crash send the log to the client.
* Add a vm_directory field
* Check for /dev/kvm. Fixes 245.
* Moves KVM setting to Qemu server preferences. Fixes 244.
* VNC console support for Qemu VMs.
* Test all IOU requirements at VM startup
* ACPI shutdown support for VMware VMs. Fixes 436.
* Compute a md5sum of images for futur purpose
* Adds gns3-netifaces to dependencies only if netifaces isn't already installed otherwise this requires a compilation and therefore the Python development files.
* Adds an IP address for each interface returned by the interfaces API method.
* Add log when we didn't close a project due to another client
* Limit file size during upload
* Convert old -enable-kvm to kvm settings for Qemu
* Cleanup SSL certificate support
* Improve memory consumption of file upload with the HTML form
* systemd start script
* Enable KVM acceleration option.
* Check interface is up before connecting a NIO (Linux only). Fixes 277.
* IPv6 support.
* Import/Export support for IOU nvrams.
* Install qt5 for travis
* Option to drop nvram & disk files for IOS routers in order to save disk space.
* Drop python 3.3
* Support for base MAC address for Qemu VMs.
* ACPI shutdown support for Qemu VMs.
* ACPI shutdown support for VirtualBox VMs.
* Upload images API
* A notification stream with process monitoring
* VMware support

* Update links for new website.

* Contributing instructions
* Correctly display log messages.
* Tentative fix for "WinError 64 The specified network name is no longer available" issues.
* Fix minor errors reported by codacy.com
* Add doc on how to got code coverage
* Raise an error when you use a port outside the ranges
* Fix asyncio error when closing the app
* Release UDP ports when closing a Qemu VM. Fixes 323.

* Escape other usage of glob
* Fix Dynamips identifier is already used by another router
* Protect dynamips against bad glob
* Catch ProcessLookupError in Qemu VM.
* Use the correct UDP tunnel Qemu syntax for version > 1.1.0 when legacy networking is enabled.
* Prevent launching a packet capture with a non-ASCII path when using Dynamips.
* Do not automatically delete Dynamips bootflash file because they are necessary to restore VLANs on the c3600 platform.
* Fix dynamips configuration lost when you delete a node
* Clarify error message when we got UTF-8 chars in the iourc file
* Check for valid FR or ATM switch mappings. Fixes 300.

* Catch exception when a process cannot be killed. Fixes 296.
* Backport: fixes NAT NIO for Qemu VMs (do not launch any legacy scripts)
* Fixes Unicode error. Fixes 290.
* Don't delete Dynamips ROM files. They are used to restore the nvram.

* Backport: removes code that deletes IOS router instance files.