New novnc wrapper

Added novnc proxy supporting new websockify versions
Merge pull request #346 from casell/websockify

New novnc websockify wrapper
added local_settings to .gitignore
Merge pull request #350 from casell/ignorelocalsettings

added local_settings to .gitignore
Merge branch 'master' of https://github.com/retspen/webvirtmgr
Merge branch 'master' of github.com:gem/webvirtmgr