[vfs] CFile: remove 'virtual' from destructor
no class is derived from CFile
load replaygain tags on mp4 style files
load tags when opening file so they are available when we try to read replaygain

provide a fallback file type to tagloader based on content

pass content type to DVDplayer for types that support tags, in order to set a fallback filetype
[vfs] remove win32 code from SmbFile.h/.cpp
[vfs] remove win32 code from SMBDirectory.cpp
fix for #14713: RSSDirectory Reading of Boxee Genre Incorrect
[3d] added 3D subtitle depth
[epg] fix: hide progress indicator if go forward in time
CUtf8Utils: add "checkStrForUtf8()"
New UTF-8 string check, based on current Unicode standard (6.3), with three result values: plain ASCII, valid UTF-8, high ACSII.
renderer: add underlying support for 16bit textures on gles
renderer: move UploadYV12Texture to same location as in GLES renderer

Simplifies diffing
renderer: match GLES UploadYV12Texture structure with GL version
renderer: calculate source rect on upload GLES:EGL/CVRef/MediaCodec
fixed: We can't grab the duration from the streamdetails for stacks
Utf8Utils: add "isValidUtf8()" for convenient check for valid UTF-8 strings
Remove usage of CharsetConverter.isValidUtf8()
CharsetConverter: remove outdated "isValidUtf8()"
[GLES] Fix for SBS rendering and cached viewport

I've also changed the unused function CLinuxRendererGLES::RenderMultiPass
to use the caching wrapper for SetViewPort.
Makes no odds now, but may avoid a problem if it's enabled in future.
Revert "Ensure that the decoder is init once only."

This reverts commit 6d637d4801095acfe5b6a7e56f446aa2e4602bfa.
[dxva] added dxva-hd renderer as alternative native dxva.