Implement usage of
 - build matrix
 - stand alone tomcat (starts 4 times faster than plugin)
 - make sure DBs are clean
 - cleaner and more readable .travis.yml file
Build completes in 7 minutes instead of 20-25 minutes
Merge branch 'feature/faster-build-matrix' into develop
Merge remote-tracking branch 'origin/develop' into feature/transaction-client-updates
Set a default directory for exploded directory to avoid a directory called ${war.exploded.dir} being created by the IDE.
First version of actual transactions taking place.