[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.
Test post filtering and multi-valued properties with app-schema paging
Geoserver app-schema paging doc update
Merge pull request #787 from riniangreani/wfs20paginggeoserver

Wfs20paginggeoserver
[GEOS-6706] WPS should allow inline binary content in requests using base64 encoding
[GEOS-6729] Add a flow control provider notion allowing extension to setup different flow controllers per user/request
[GEOS-6731] Add response headers to make delays evident
Added meta tag X-UA-Compatible IE=10 to solve IE11 errors
Fixed some minor typos
[GEOS-6730] Allow request rate limits in control flow extension (along with some refactors to avoid code duplications)
Merge pull request #791 from tbarsballe/docs

Fixed some minor typos
[GEOS-6735] CSSHandler leaves file handles open
MaxFeaturesForPreview added to WFSAdminPage and MapPreview page, stored in metadata map
Merge pull request #789 from koordo/fix_ie11_wicket

GEOS-6426 Internet Explorer 11 does not work properly with admin UI
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.
GEOS-6739: Fix typo in log message.
Merge pull request #794 from bradh/GEOS-6739

GEOS-6739: Fix typo in log message.