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

controls/MATLAB/momentOfInertia/J_calc_bifilar.m

quad/Makefile

quad/doc/zybo_pinout_assignments.md

quad/scripts/tests/test_memory_integrity.rb

quad/src/quad_app/callbacks.c

quad/src/quad_app/communication.c

quad/src/quad_app/hw_iface.h

quad/src/quad_app/initialize_components.c

quad/src/quad_app/log_data.c

quad/src/quad_app/log_data.h

quad/src/quad_app/quad_app.c

quad/src/quad_app/sensor_processing.c

quad/src/quad_app/type_def.h

quad/src/virt_quad/hw_impl_unix.c

quad/src/virt_quad/hw_impl_unix.h

quad/src/virt_quad/main.c

quad/xsdk_workspace/real_quad/src/hw_impl_zybo.c

quad/xsdk_workspace/real_quad/src/hw_impl_zybo.h

quad/xsdk_workspace/real_quad/src/hw_impl_zybo_gps.c

quad/xsdk_workspace/real_quad/src/hw_impl_zybo_i2c.c