U-A check WEBKIT before GECKO
js: hdr - undefined if not PrintCamNames
fix 401/403 body charset
fix default layout
spoiler tip
remove (disable) unstable webm,ogg formats and vp8,voibis codecs
Merge branch 'ptz' into ptz-merged

Conflicts:
	online/view.js
	online/view.php
TypeError if PrintCamNames = 0
online/webkit canvas-based mjpeg checking refactoring
remove $conf[site-dir] usage
Merge branch 'master' into ptz