Merge pull request #1516 from 3nids/vr_geom_relation

map identification for relations
Add a simplified class for fetching HTTP network content
[FEATURE][composer] Allow remote urls to be entered as picture path
for picture items, and automatically fetch them. Sponsored by the
City of Uster, Switzerland.
[composer] Holding alt while pressing arrow keys results in moving items 1 pixel
can create relation reference in a widget (for custom UI forms)
add new custom widgets to Qt Designer plugin
relation reference: correctly initialize and set properties for widget
make custom widget tooltips translatable
custom widget lib: include resources to show icons in designer
make some rendering errors translatable
osgeo4w: move Qt plugins (sql and designer) into qgis directory
osgeo4w: also move pyqt4 uic module for custom widgets (followup 72e779c3e)
fix windows build
include pyqt uic module for custom widgets in debian package
Mapserver: fixed bounding box of points features collection returned in GetFeatureInfo request
Fix typo in QgsVectorFileWriter::fileFilterString
set default srid value to 0 in new geom column
Default srid value to 0 in new table geom column
Default srid value to use in new geom column : 0
Add saved file to map canvas by default