Updated 'birch dist' command to archive original Birch sources according to meta file manifest, rather than archiving derived C++ sources according to 'make dist'.
Updated 'birch dist' command to archive original Birch sources according to meta file manifest, rather than archiving derived C++ sources according to 'make dist'.

lawmurray/Birch,lawmurray/Birch,lawmurray/Birch