Webui: BufferView
Webui: Update Livegrid, CheckedColumn and ProgressColumn extensions, remove Rowexpander, delete a lovcombo duplicate
Webui: Fixed some typo and removed unnecessary fm variables
Webui: code cosmetics: renamed some variables
Webui: code cosmetics: removed floating semicolons
Webui: header with username and date/clock
Webui: better extjs namespace
Webui: code cosmetics: renamed global stores
Webui: Removed ex header images and moved htslogo.png (fix new header img refs)
Webui: HTML5 localStorage
Webui: panels id added (fix localstorage working)

Conflicts:
	src/webui/static/app/dvr.js
	src/webui/static/app/epg.js
	src/webui/static/app/status.js
	src/webui/static/app/tvheadend.js
Webui: fixed channels and channel tags combobox sorting
Webui: cleanup: removed unnecessary resources
Webui: updated css
Webui: updated themes images
Webui: added channel number to epg
Webui: more notification class for access update
Webui: Rewrited app main
Webui: cosmetics: help window title look
Webui: some panel restrictions according to access privileges