Webui: added GroupTab extension

Conflicts:
	src/webui/extjs.c

Conflicts:
	src/webui/extjs.c

Conflicts:
	src/webui/extjs.c
Webui: added bubble extension

Conflicts:
	src/webui/extjs.c

Conflicts:
	src/webui/extjs.c
Webui: applied grouptabpanel