[view] fix label for default sort method in CGUIViewState

This adjusts the label which is used if no sort method is defined (Sort by: Name) to 'Name' as it's used in all CGUIViewState derivatives.

Also discussed at trac http://trac.xbmc.org/ticket/15045
Merge pull request #5140 from xhaggi/fix-default-sort-method-label

[view] fix label for default sort method in CGUIViewState
videoplayer: adapt lateness detection and dropping to buffering
video player: present correct pts to user for a/v sync (after buffering in renderer)
videoplayer: some rework and documentation
renderer: bump buffers to 5
videoplayer: update frametime, it might change due to fps detection
videoplayer: give streams with invalid fps a chance for fps detection
dvdplayer: allow rewinding at end of stream, do a seek after rewind
dvdplayer: observe pts counter overflow
dvdplayer: avoid short screen flicker caused by unnecessary reconfigure of renderer
vdpau: advanced settings for auto deinterlacing
player: fix rewind
OMXPlayer: some caching fixes for pvr
fix incorrect display of fps when dr kicks in
ActiveAE: slightly reduce buffer size
Revert "vdpau: comment some features that will be added later"

This reverts commit e00b4f65864d623ab4d2e9e5c06db138e661f1cf.
ffmpeg demuxer: faster channel change for PVR addons without internal demuxing
(such as MediaPortal, ArgusTV, MythTV, NextPVR)
Credits: FernetMenta, Davilla, Popcornmix, Whaupt
ffmpeg demuxer: make sure we start mpegts video with an i-frame
DVDFactoryDemuxer: skip streaminfo for udp tcp and pvr-channels