GEOS-6514 Restrict MIME types for WMS GetMap and GetFeatureInfo requests
[GEOS-6522] Add support for raw inputs and outputs to GeoServer WPS
[GEOS-6524] Allow python wps processes to fill the input and output Parameter metadata section
upgrade to guava 17.0

It has the jsr305 (javax.annotations) dependency as transitive
now so we have to declare it explicitly.
This is mainly to coordinate the dependency version with downstream projects.
Merge pull request #613 from groldan/2.6.x_to_guava_17

upgrade master to guava 17.0
Fix usage of Stopwatch, call to start() left after createStarted() by mistake
[GEOS-5545] Two different SLD's that seem to be connected
Fixed issue on REST upload with externally configured mosaics
Merge pull request #608 from aaime/python_meta

[GEOS-6524] Allow python wps processes to fill the input and output Parameter metadata section
Merge pull request #609 from n-lagomarsini/GEOS-6527

[GEOS-6527] REST Upload fails when doing a POST request on an externally configured mosaic
Refactor GeoServerPersister to use ResourceStore API.
Listen for changes to an SLD and invalidate ResourcePool
Unpack resources used by SLD
Workaround for GEOT-4803
Allow injection of ResourceLocator
Unpack Resources to Files using ResourceLocator
Deprecate security file methods on GeoServerDataDirectory
Add rename and delete operations to Resource
Make Resource ostreams thread safe
GEOS-6533-6534 improve File/AbstractURL Publisher

- decode paths to correctly handle spaces or other encoded chars
- implement conditional get using If-Modified-Since headers