osmoutil: centrally log process launches

Log Popen in osmoutil.py instead of in each python test. Launch message is
being removed in openbsc's python tests and added here. (change-id
Id8eb70ddfdc1d0d9f90aa5343a4ea522042c34ee)

Change-Id: I7e539abc3aeee91ae3e7635f9e28b9e557eaf969
1 file changed
tree: cb240c3d43dbcdd1bebf594fc08666699e1b0a34
  1. osmopy/
  2. .gitignore
  3. README
  4. setup.py