Fixes #8065
Merge pull request #659 from slarosa/fix_8065

[DB Manager] Fixes #8065
Fix crash when creating/loading projects. Fixes #7931
fix a iteration
Update CRS cache when deleting a custom CRS
Merge pull request #660 from minorua/grad_it

fix a iteration
Som fTools fixes for SIP API updates
Improved implementation
[ftools] Fix "Join attributes by location"
Fix memory leak in QgsFeature sip api
Fix memory leak in ogr provider
Fix python console for Python 2.6
[ftools] Further SIP API updates
Fix some memory management issues
aka reduce noise in valgrind memory analyzer
Add documentation for date format in editor widget configuration
german translation update
Merge pull request #661 from leyan/custom_CRS

Update CRS cache when deleting a custom CRS
fix translation strings (fixes #8057)
german translation update
replace foo.replace( QRegExp(regexp), bar) with re.sub(regexp,bar,foo) (fixes #8066)