mod analog print for spi
added single joint control from spi analog
mod example
first attempt to select chips from digital i/o
ups
update akrib library and examples
update akrib library and examples
update akrib library and examples
update akrib library and examples
ups
implement change controllers apart from control type
Merge F_akron_spi into indigo-devel

Conflicts:
	sr_ronex_controllers/src/spi_base_controller.cpp