Add support for parsing embeded Cue Sheets

Supports reading title/performer and tracks for chapters.
Update readme to reflect the VS2013 requirement
Update solution file to default to VS2013
Simplify a lot of iterator loops by using C++11 for-each
Check that scanf succeeds
Initialize class variables in the class, instead of the constructor

This uses the new C++11 initialization features, which put the init
in the same place where they are declared.
Update built.bat to point to the VS2013 variable
Update ffmpeg for mkv StereoMode fix
avcodec: check that rawvideo output is aligned properly, and correct if necessary

Fixes a crash with the SSE2 conversion routines, which implicitly require
an aligned source buffer.
Ensure the image size variables match the amount of data LAV will write
Replace NULL by nullptr where appropriate
Adjust a few remaining class member inits.
Use a media type from the real subtitle streams for the "No Subtitles" Pin
Fix another forgotten class init
Prefer const-refs in foreach loops where appropriate
Fix release builds