This commit will follow the tag VS2003_FINAL which is the last commit
that will compile under VS2003 without changes.
This incorporates all source code changes known to be necessary to build
CWE with VS2010.
- nullptr not defined, use nil
- remove unused VCXPROJ with wrong name plMoviePlayer
- std::begin, std::end not defined, conditionally include code for plLocalization::GetLanguageCodes()
on _MSC_VER >= 1800
- add PLASMA_USE_WEBM to appropriate VS projects
- fix library references to opus, vpx and speex
