Other platforms to follow as volunteers test support and get openssl in 
place.

BUILD_GITHUB_PLUGIN will build GITHUB_PLUGIN on Linux now.  Don't know if the parser works yet, but the FootprintEnumerate() function worked in testing.

Lay basis for a more full featured usage of boost, including compiled libraries such as unit_test_framework, system, etc.  Move headers now into boost_root/include/boost/.