fix reference picture modification bug
Removed unused header files in processing src
include ifdef guard
Removed unused headers in encoder core
Removed unused headers in decoder core
Merge pull request #224 from mstorsjo/msvc2005

Fix building on MSVC 2005
Merge pull request #228 from mstorsjo/remove-hardcoded-path

Remove a hardcoded debug path specific to somebody's environment
Merge pull request #214 from licaiguo/fix-rpl

fix reference picture modification bug -- review #67
Merge pull request #212 from varunbpatil/enc_core_cleanup

Removed unused header files in encoder core
Merge pull request #215 from varunbpatil/dec_core_cleanup

Removed unused headers in decoder core
Merge pull request #216 from varunbpatil/processing_cleanup

Removed unused header files in processing src
Merge pull request #221 from mstorsjo/freebsd

Update building on FreeBSD
Merge the encoder/decoder crt_util_safe_x.h into the common lib