Raw lib list#4

Open

itsff wants to merge 3 commits intoagottem:masterfrom

itsff:raw_lib_list

Commits on Oct 5, 2015

Fixed a bug where clang toolkit wasn't honoring compiler_flag_list.
itsff
committed
Fixed a bug where gcc toolchain wasn't honoring source_compiler_flags.
itsff
committed
Added support for $(raw_lib_list) where user can specify
itsff
committed