[pve-devel] pve-manager: novnc preview V2

[Stefan Priebe]

changes since V1:
- fix keyboard focus problems on linux
- correctly rebased on upstream/master
- removed duplicated mangled javascript

[PATCH 1/7] depend on novnc
[PATCH 2/7] add novnc html template
[PATCH 3/7] pveproxy: add routing to novnc dirs
[PATCH 4/7] PVE/HTTPServer: add known type text/html
[PATCH 5/7] ExtJS: backport Ext.ux.IFrame from ExtJS 4.2
[PATCH 6/7] add novnc logo
[PATCH 7/7] add novnc console to workspace