Make the test use PNG, the JPEG encoding output varies slightly depending on the version of the jpeg library used, so it's not stable across platforms
[GEOS-5653] Error setting JAVA_OPTS in startup.sh
fixing typo in python buffer example
GEOS-5549: fixed up/down arrows in LayerGroups UI
 GEOS-5549: fixed up/down arrows in LayerGroups UI, follow up to fix annoying extra issues (arrows on all the time, visual alternation broken, error messages on the console
cache-control headers in integrated wms, GEOS-5686

- cleanup interceptor, add max-age header from layer metadata if
  declared
- add test
GEOS-5678 Improve logging in geoserver.security
libjpeg-turbo encoding support
Merge pull request #181 from simboss/2.2-libjpeg-turbo

GEOS-5700, libjpeg-turbo WMS Encoder as Community Module
adding libjpeg to the nightly deploys
Merge pull request #186 from simboss/libjpeg-2.2.x

GEOS-5702, adding libjpeg to the nightly deploys
[GEOS-5705] Enabled and advertised flags in the resource will get out of synch with the LayerInfo ones right after GUI editing
GEOS-5711 org.geoserver.security.decorators.DecoratingWMSLayerInfo prefixName method calls itself indefinitely
GEOS-5704, GEOS-5703: fixing a couple of TurboJPEG issues
Simple update of the GDAL documentation, by updating the Imageio-ext version from 1.1.6 to 1.1.7
GEOS-5710 GetLegendGraphic fails with a layergroup containing a coverage invisble at current scale
JAVA_OPTS setup won't work on bash
Merge pull request #191 from dromagnoli/2.2.x

GEOS-5704, GEOS-5703: fixing a couple of TurboJPEG issues
Merge pull request #177 from ischneider/GEOS-5686-2.2.x

cache-control headers in integrated wms, GEOS-5686
GEOS-5725, catching exceptions resulting from request object handler