Removed caches. Each build step is now independent.
Build stage is now Compile stage with 3 jobs.
Reduced test stage from 6 to 4, so that we use optimal job count (travis runs 4 in parralel).
Reduced release / deploy stage to one job.
TSK-892 made maven less verbose to clean up build log
TSK-892: corrected syntax of weird firefox starting command..
TSK-892: fixed h2 test phase
TSK-892: fixed db2 test phase
TSK-892: removed taskana artifacts from build cache
TSK-892: fixed h2 test
TSK-892: reconfigured travis
TSK-879: added git config to personalise travis pom commit
TSK-879: reformatted bash scripts in ci folder
TSK-879: fixed prod configuration for web