Upgraded ImageIO-Ext version from 1.1.9 to 1.1.10
Updating CSS section
Fixing web build
Fixed failing unit test from GSIP-113 PR
Merge pull request #601 from bmmpxf/css2

Update CSS section
Merge pull request #605 from smithkm/security_filter

Fixed failing unit test from GSIP-113 PR
Merge pull request #597 from n-lagomarsini/GEOS-6499

[GEOS-6499] Upgrade ImageIO-Ext version from 1.1.9 to 1.1.10 on GeoServer.
[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
fix wiki links
suppress a few doc warnings
GEOS-4943 /geoserver/accessDenied.jsp not found
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
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