Merge branch 'hw-iface' into 'master'

ci-build.sh

ci-test.sh

quad/.gitignore

quad/Makefile

quad/ci-build.sh

quad/ci-test.sh

quad/computation_graph/.gitignore

quad/computation_graph/src/main.c

quad/computation_graph/src/tests.c

quad/computation_graph/src/tests.h

quad/computation_graph/test/Makefile

quad/lib/test/.gitignore

quad/lib/test/Makefile

quad/library.mk

quad/scripts/build_zybo.sh

quad/scripts/clean_xsdk_workspace.sh

quad/scripts/create_zybo_boot.sh

quad/scripts/old_quad_build.sh

quad/scripts/test_zybo_uart.py

quad/src/computation_graph/.gitignore