[GEOS-6727] Modify KMLReflectorTest to be insensitive to the format_options order.

This is needed for JDK8, which uses a different hashing function.
[GEOS-6727] Remove format=image/png in tests that are trying for animated GIF.

This is needed for JDK8, where the hashing function changes resulted in the PNG format
being selected.
[GEOS-6727] Ensure format_options are always ordered.

This makes it easier to test consistently for JDK8.
[GEOS-6727] Fix setting of contact information over REST configuration endpoint.

This appears to be an existing bug exposed by JDK8.
GEOS-6709 fix import transforms, add tests

The modified transforms were using the wrong argument for obtaining
the attribute to transform. This was working for JDBC Feature
implementations but not for others.
Merge pull request #783 from bradh/jdk8

Resolve build issues on Oracle JDK8
Merge pull request #777 from ischneider/GEOS-6709

GEOS-6709 fix import transforms, add tests
Merge remote-tracking branch 'upstream/master'