move alignment macros to util.h
image local decoding-task count
issue warnings on incorrect entry-point offsets in input stream
omit initialization to zero values (is already zero)
disable compilation of unused 10bit DSP functions
fixed race condition on active thread count
use InterlockedAdd instead of loop over InterlockedIncrement
Include additional files in distribution tarball (e.g. required for Windows builds).
Include "Makefile.vc7" in dist tarball.
Need to specify all additional sources in "EXTRA_DIST" so they don't get compiled on Linux.
Merge pull request #26 from fancycode/distribute_additional_files

Include additional files in distribution tarball
remove obsolete m4 macros
reduce memory footprint of decoder context
Merge branch 'image-local-context'
remove semicolon
modified max CTB rows / slices limits
Merge branch 'image-local-context'
Fixed wrong variable name and spurious curly bracked on Windows.
Only enable malloc hook when compiling using gcc.
"InterlockedAdd" is only available on the 64bit compiler for Windows, use "InterlockedExchangeAdd" for 32bit.