Remove out-of-date caveats on feature chaining doc

GEOS-6143
Add LegendGraphic support for Rules in SLDs
Set scale to 1.0 in testExternalGraphic request.
Add IntelliJ IDEA generated files to gitignore
Remove redundant calls to toString() on String objects
updated German translations for master, added community modules translations
updated Romanian translations
updated Korean translations and some for community/extension modules - thanks tp Minpa Lee
inital Polish translations - thanks to Jarosław Pękala
updated French translations (and added some for community/extension modules)
One more custom build of css to include the randomized fills work
[GEOS-6111] Support repeated and randomized graphic fills in polygons
Merge pull request #398 from ericdahl/gitignore-intellij

Add IntelliJ IDEA generated files to gitignore
Merge pull request #399 from ericdahl/redundant-toString

Remove redundant calls to toString() on String objects
Add option to reverse colors
Add Jenks natural breaks as a classifier method
Fix some formatting issues
Formatting (whitespace) issues
[GEOS-6159] Document the kmlOutputMode enviroment variable
[GEOS-6101] Controlling legend appearance with LEGEND_OPTIONS Documentation has small error
[GEOS-5523] Document special behaviour for connection strings with oracle NG