Merge pull request #21 from rduivenvoorde/master

adding 'OGC:WMS-1.1.1-http-get-map' as possible WMS link type
pep8 fix, explain condition
fix add WFS (#22)
synchronize server widgets (#17)
refactor most CSW inits to centralize error handling (#18)
support more link types (#20)
remove problematic service as default
update release version
update to development version
minor cosmetic change in main UI
fix wait cursor flow
add service URL
display URL to raw XML
add Geonorge to default connections (thanks @ninsbl)
add different save ows name strategies
reproject bbox to canvas crs (fix #28)
use MetaSearch instead of CSWClient for settings (fix #29)
removing qbuttongroup as pyuic4 on osgeo4w has troubles with it
Merge pull request #30 from alexbruy/rename-settings

use MetaSearch instead of CSWClient for settings (fix #29)
remove some information messsages, fix plurality