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).
topology checker: catch difference error (fixes #7845)
test fixes:
* use compareWkt in PyGeometry nad PyQgsRectangle
* skip PySpatialiteProvider if pyspatialite is unavailable
* show information about used fonts
Partial translation
partial translation to pt-BR
Partial translation
raise cmake dependency to 2.8
indentation update
Fix #4189
Auto save Python script file
Merge pull request #754 from ddanielvaz/ptBR

pt-BR translation
raster block: add missing hasNoData method in sip
Merge pull request #758 from 3nids/siprasterblock

[SIP] raster block: missing hasNoData()
sync qgsrasterblock sip (followup eaa27aa4f)
QgsCredentials: fix sip bindings
dbmanager: QgsCredentials is in core (fixes #8345)
symbology-ng: make dump() methods const
allow debug messages with backtrace on linux
symbology-ng: fix data defined properties of centroid fill markers (fixes #8318)