Merge feature attributes: Return NULL if unable to calculate
[gdaltools] DEM(Terrain Models) tool error (Fix #8116)
[gdaltools] Proximity(raster distance) error (Fix #8115)
small changes to topology checker GUI
Basque translation update
Merge pull request #668 from asiersarasua/master

Basque translation update
- move ui defaults to ui_defaults.h
- add scripts/mkuidefaults.py to create ui_defaults.h from current
  setting
- default ui state with two toolbar rows (fixes #8117)
- update plugin registry state of nsis installer
german translation update
add QgsFontUtils sip bindings and fix doxygen warnings
update GUI translation ja
Merge pull request #669 from qgis-jp/make_pull_req_from_ja

update GUI translation ja
[ftools,gdaltools] Errors in Merge Shapefiles and Split vector layer
* Fix #8120
* Fix #8119
[Plugin Manager] Fixes #8122: Scroll bar in new plugin manager doesn't work properly
[Plugin Manager] Follow up commit:b16cc46
Fix WFS layer items in browser
fix crash in plugin installer
[dbmanager] Fix python error
identation update and fix clang 3.3 warnings
Use a new ogr layer per iterator
Remove driver