[trunk] Renamed the #define OPUS_DYNAMICLIBRARY to D_OPUS_DYNAMICLIBRARY to be more consistent with other preprocessor macros.
[trunk] HeaderLibraryTest needs mingw
[trunk] Don't publish the Info.plist file on non-OSX platforms
[trunk] Added the exported (to the module build and all dependencies) preprocessor symbol D_<PACKAGENAME>_<MODULENAME>_STATICAPI for all static library modules, to indicate the API linkage required. This can be used, in conjunction with D_OPUS_DYNAMICLIBRARY_BUILD to define API visibility macros.