Merge branch 'master' into enhancement/5_more_systems
Make `DefaulMultirotorVehicleSystem` methods inline.

This prevents them from being respecialized which breaks the linker.
Change attitude -> angular where applicable.
Merge branch 'master' of github.com:osuar/osuar_control_2015 into enhancement/5_more_systems

Resolved:
	src/controller/attitude_position_controller.hpp
refs #5 Initialize platform stuff.
refs #5 config.hpp -> hal_config.hpp
refs #5 Move SPI and I2C configs over to files.