Iftach Sadeh / ctools

# Conflicts:
#	Makefile.am
#	README.md
#	configure.ac
#	ctools.pc.in
#	dev/conda.recipe/meta.yaml.in
#	doc/Doxyfile
#	doc/source/conf.py
#	sonar-project.properties

The outcome of the unit tests depends on the presence of the CTOOLS environment variable. If the CTOOLS environment variable is not present the unit test should fail, otherwise it sould succeed.