Update workspace dependencies

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
cnf: put junit and hamcrest into proper directories in buildrepo

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
Fix #27: Add osgi.service caps/reqs for DS components

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>