fix PyQgsAppStartup test on windows
loading icon from qt-everywhere-opensource-src-4.6.3/demos/browser/data/loading.gif
expand browser items in threads
postgres provider: fix layer detection
i18n: script updates
fix source permissions

Consider using 'git config core.filemode false' on Windows

find . \( -name "*.cpp" -o -name "*.h" \) -perm /111 -exec chmod a-x {} \;
update debian dependencies in INSTALL (scripts/scandeps.pl run)
Add casts to double to fix compilation on ARM
prepare-commit.sh: remove executable bit from source files and exit successfully if nothing modified
Merge pull request #1684 from manisandro/armbuild

Add casts to double to fix compilation on ARM
re-enabled init expand to last expanded in browser
[FIXED] #11572 Filter Legend By Map Content doesn't maintain point displacement legend

The fix from https://github.com/qgis/QGIS/pull/1673 has to be enhance to have
 something more generic.

This fix add methods to QgsPointDisplacementRenderer:
* capabilities
* symbolForFeature
* originalSymbolForFeature
* symbolsForFeature
* originalSymbolsForFeature
* willRenderFeature