SysInfo: refactoring IsOS64bit->GetKernelBitness, extend support for all platforms
Startup log: write information about target CPU; XBMC and OS bitness
Startup log: report number of CPU cores
ActiveAESink: More debugging
Merge pull request #3234 from fritsch/aefixes2

ActiveAESink: More debugging
[atv2] - fix  bt keyboard support (fixes space, tab, esc, enter and modifier keys)
Merge pull request #3235 from Memphiz/atv2bt

[atv2] - fix  bt keyboard support (fixes space, tab, esc, enter and modi...
Settings: remove unused setting
English spelling corrections English/strings.po
Merge pull request #3239 from readmanr/english-check

English spelling corrections English/strings.po
linuxrenderer: do not render if upload texture fails
vdpau: redesign
vdpau: make interop gl default and remove setting, rename and intvert interop yuv
vdpau: observe ffmpeg tags for color space
vdpau: switch off de-interlacing on ff
linuxrenderer: drop method RenderMultiPass
linuxrenderer: implement progressive weave for vdpau
vdpau: set deinterlacing method to auto, if default method not supported
vdpau: calculate timestamp of second field when doing deinterlacing
vdpau: comment some features that will be added later