Merge pull request #7 from finn-no/feature/log4j-2.0-rc2

upgrade to log4j-2.0-rc2-SNAPSHOT
Merge pull request #8 from finn-no/feature/short-properties

 Shorten the format of properties
Merge pull request #9 from finn-no/bugfix/handle-missing-location

Bugfix – handle missing location
off of rc2-snapshot and onto rc2
Jackson is only used by tests; changed to testCompile.
Removed unused dependency commons-lang3
Bump log4j2Version to 2.0-rc2