Add tests for medgen
Add simple test of vScatter, remove old tests

TODO: more tests
Remove test input file of fit_2hg, add note about missing
binary file needed for testing.
Add main Makefile for tests
Change binpath to build/bin in test Makefiles
Starting prototype hemiScatter from vScatter code
Merge branch 'better-tests' into develop
hemiScatter test version
Merge branch 'develop' into hemiScat
Fix forgotten unnecessary variable in hemiScat
Merge branch 'hemiScat' into develop, seems to work