#9094-R: Use ',' and '.' keys similar to '<' and '>' keys
Merge pull request #1048 from ahuarte47/Issue_9094-revival

#9094-R: Use ',' and '.' keys similar to '<' and '>' keys in QgsMapToolNodeTool
[processing] API v2 update fix: returns str obj instead of QVariant one, it occurs when running Processing headless
[processing] set window flags for modeler dialog
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
Merge pull request #1049 from lynxlynxlynx/master

Two build fixes for Arch