Added project for uploading to maven central.
fix links in download page of docs
Add parent class for all map layers that has opacity.

Updated all MapLayer implementations to pass the params to the super classes so that I can apply the opacity to the Geotools style.
Apply opacity to Geotools styles before rendering
add opacity test
change how image is written to disk for debugging
Add a short circuit so that a layer is not processed if opacity == 0.
fix checkstyle violations
Fixed bug with legend output numberOfLegendRows.  It was always at least 1.
old API legend converter fix.

Changed oldapi converter so that if there are more legends than legend processors the extra legends are added to the legend attributes going to the last legend processor.  This way no data is lost.
Fixed bug getting the CLI usages
Legend label was getting added to the incorrect spot.
reverted geoserver version like tobias did in his PR
fixed java 1.6 compile errors
Merge branch 'development' of github.com:mapfish/mapfish-print into development
don't write debug files.
Merge pull request #163 from jesseeichar/legend-fixes

Legend fixes
Add prefix and inputPrefix in Processor
Rename subReport to scaleBasSubReport
Rename paging maps to datasource