cmake: also look for qwtpolar in the qwt include dir
PyQt4Macros.cmake: also check for a prefixed version of pyuic4

fixes the lookup on Arch, which has python pointing to python3
#9060: define global unit conversor
#9060: use QGis::fromUnitToUnitFactor in QgsWmsProvider

 in
#9060: use QGis::fromUnitToUnitFactor in QgsDxfExport

 in
#9060: use QGis::fromUnitToUnitFactor in QgsDistanceArea

 in
#9060: use QGis::fromUnitToUnitFactor in QgsComposerScaleBar
#9060: use QGis::fromUnitToUnitFactor in QgsDecorationScaleBar
#9060: use QGis::fromUnitToUnitFactor in QgsGrassGisLib
#9060: Enable degrees as valid DisplayUnit in QgsOptions dialog
Lithuanian translation update
Fix hue/saturation changes for rasters causing debug noise when raster contains transparent pixels
fix warning
add splitters to raster calc dialog, use QgsCollapsibleGroupBox to save collpased state
lighter UI for atlas composer
remove outline of items in list widget when they have focus
UI: splitter for the query builder dialog
credentials: give focus to password if a user is given
#8725-R: define UseRenderingOptimization

Redefine RenderingPrintComposition to UseRenderingOptimization
#8725-R: show map2pixel threshold in panels