Merge branch 'master' of https://git.ece.iastate.edu/danc/MicroCART_17-18

controls/model/logAnalysis.m

controls/model/modelParameters.m

controls/model/test_model.slx

quad/Makefile

quad/scripts/tests/test_safety_checks.rb

quad/scripts/tests/testing_library.rb

quad/src/quad_app/initialize_components.c

quad/src/quad_app/util.c

quad/src/quad_app/util.h

quad/src/virt_quad/Makefile

quad/src/virt_quad/hw_impl_unix.h

quad/src/virt_quad/hw_impl_unix_i2c.c

quad/src/virt_quad/hw_impl_unix_mio7_led.c

quad/src/virt_quad/hw_impl_unix_motor.c

quad/src/virt_quad/hw_impl_unix_rc_receiver.c

quad/src/virt_quad/main.c