purge old doc/plugins directory
purge olde PluginInstallerDialog context help

there will be a new QgsPluginManager help file
delete unused resource files

if I understand jef correctly, these files are all not used anymore (plz correct
me if I'm wrong).
The build and scripts incorporate the en_US resource files in the corresponding
i18n/qgis_**.ts files (by creating cpp from it).
german translation update
Add __iter__ for QgsFeature
Add schema for mssql when setting where clause
added the possibility to choose between file or folder for File Parameters in the modeller
MàJ_traductionQGIS2_Mehdi
Merge pull request #784 from ricardogsilva/sextante_issue_8407

Fix for issue #8407 - Allow selecting between file or directory when using a File Parameter in the modeler
[dbmanager] Fix non-clickable checkbox in Null column when creating table (on Mac)

- Switch from checkbox delegate to Qt::CheckStateRole for column
- Enable all triggers for table view
[dbmanager] Fix settings default and Python type for connection with postgis plugin

- Saved connections with empty password raised a QPyNullVariant parameter error due to lack of str default
[dbmanager] Add missing InvalidDataException import
Switch targets staged_[plugin_dir_name] to staged-[plugin_dir_name], as noted in comments

- Only plugin directories should have underscores, targets should have hyphens
Add tooltips for expression builder. Fix #7978
Merge pull request #1 from msemchaoui/msemchaoui_branche

MàJ_traductionQGIS2_Mehdi
Merge pull request #787 from Jean-Roc/master

update fr ui
Merge pull request #643 from rduivenvoorde/optionalcleanups

Optional cleanups
[Plugin Installer] fix #8410
Add relation manager ui

Conflicts:
	src/app/qgsprojectproperties.cpp
	src/ui/qgsprojectpropertiesbase.ui
Add relation edit type