Refactored GeoServer output generators
Merge pull request #19 from matthesrieke/master

Migrate to SLF4J+Logback [v2]
Merge remote-tracking branch 'upstream/master'
Adjusted to slf4j
Incorporated comments to pull request #20
Merge pull request #20 from bpross-52n/master

Some refactoring of the GeoServer output generators.
Merge pull request #1 from 52North/master

re-align