* build_compiler_rt.sh: Change git repository. The llvm.org one is no longer synced.
* build_compiler_rt.sh: Add check for os/lock.h.
* xcrun: "Support" -show-sdk-platform-path.
* sw_vers: Output 0CFFFF for Build Version.
* improve and colorize warning/error/debug/info messages
* add include path warnings for /usr/include and /usr/local/include
other changes:
* bump version to 0.10