Update connections-default.xml

Added endpoint for the italian "Geoportale Nazionale"
Update connections-default.xml

Label for Geoportale Nazionale modified
some layout fixes based on QGIS review comments
more live review at code sprint
fixed button alignment
fixed pagging buttons size
Merge pull request #48 from kalxas/master

Changes from QGIS review at Vienna Code Sprint
pep8
pep8 again
Merge pull request #46 from peppecorra/patch-1

Update connections-default.xml
More robust way of BBOX parsing

Some servers return:

<ows:BoundingBox dimensions="2" crs="http://www.epsg.org#4326">
<ows:LowerCorner> </ows:LowerCorner>
<ows:UpperCorner> </ows:UpperCorner>
</ows:BoundingBox>
Merge pull request #49 from jachym/patch-1

More robust way of BBOX parsing
fix pep8 warnings/build
fix for resizing problems of maindialog
Update connections-default.xml

New change upstream
Merge pull request #51 from pcav/patch-2

Update connections-default.xml
build ui files at runtime
fix pep8 warning
remove __init__.py since ui files are generated on the fly
put plugin button to Web toolbar