Merge pull request #245 from bartvde/pagingparams

make sure the proxy of the ows store does not send the paging params (r=@marcjansen,@chrismayer)
Merge pull request #228 from bartvde/baselayer-image

The image for gx-tree-baselayer-icon seems to be missing (r=@marcjansen)
Make sure gx-tree-radio css class works for all Ext themes