Merge branch 'adding_engine_to_zppsolver' into 'master'

adding junit engine

See merge request !21
59 jobs for master in 63 minutes and 13 seconds (queued for 8 seconds)
Name Stage Failure
failed
deploy:mcts-solver Deploy
Running after script...
$ echo '=========================================================================='
==========================================================================
$ docker image ls
REPOSITORY TAG IMAGE ID CREATED SIZE
maven 3.5.2-jdk-8 31eec910d005 3 years ago 748MB
$ echo '=========================================================================='
==========================================================================
Cleaning up file based variables
ERROR: Job failed: exit code 1
failed
deploy:gen-solver Deploy
Running after script...
$ echo '=========================================================================='
==========================================================================
$ docker image ls
REPOSITORY TAG IMAGE ID CREATED SIZE
maven 3.5.2-jdk-8 31eec910d005 3 years ago 748MB
$ echo '=========================================================================='
==========================================================================
Cleaning up file based variables
ERROR: Job failed: exit code 1