[GEOS-6320] When migrating layergroups from 2.3.x Web Admin UI can fail
Merge pull request #477 from aaime/GEOS-6320

[GEOS-6320] When migrating layergroups from 2.3.x Web Admin UI can fail
[GEOS-6347] csw release packages misses the web-csw jar
Fix a small typo in an importer exception.
GEOS-6351 fixed context bean id conflicting with css module
Merge pull request #485 from mbarto/geos6351_printing_wrong_bean_id

GEOS-6351 fixed context bean id conflicting with css module
Attribute name "type" associated with an element type "style" must be followed by the ' = ' character
Merge pull request #487 from Konstantin-Surzhin/AuthenticationFilterPanel_html

I've added "="
i've changed '=' to ':'
i've changed '.' to '-'
Merge pull request #490 from Konstantin-Surzhin/geoserver_css

i've changed '.' to '-'
Updating version numbers to 2.6-SNAPSHOT

Also updating gt.version to 12-SNAPSHOT
Relax TIFF reader constrains for mac
[GEOS-6354] Polar stereographic projections broken
I've chenged ':' to '{'
Merge pull request #492 from Konstantin-Surzhin/geoserver_css

I've chenged ':' to '{'
I've removed unnecessary quotes
Merge pull request #493 from Konstantin-Surzhin/SecurityNamedServicesTogglePanel_ContentPanel

I've removed unnecessary quotes
Merge pull request #489 from Konstantin-Surzhin/DemoRequestsPage_html

i've changed '=' to ':'
Merge pull request #484 from garnertb/importer-spelling-error

Fix a small typo in an importer exception.