Fixed bug in Makefile:check on non-Ubuntu systems due to non-sequential make behavior
(cherry picked from commit 792ffff8e25ce17b47c58f9ad7544f78b4ada3e9)

Signed-off-by: Andreas Neiser <neiser@kph.uni-mainz.de>
Improve acqu_core/.gitignore
(cherry picked from commit 117b72b44294b65c06fb191418735cc05fb93cd0)

Signed-off-by: Andreas Neiser <neiser@kph.uni-mainz.de>