- Add LICENSE
- Switch to new LIB_DEPENDS format
- Enabling staging support
- Simplify OPTION knob handling
- Unbreak the build on 8.x, 10.x and CURRENT after the update of
graphics/opencv and graphics/openshadinglanguage, which require
llvm3.3
Supported by: tijl@, Shane Ambler <FreeBSD@ShaneWare.Biz>