make cmake honor PYTHON_LIBRARY
[FEATURE] allows to store SQL queries in the DB manager
Update to custom CRS management
Updates to compile with current master
check validity of CRS before saving
do not use QgsCoordinateReferenceSystem internally
Add warning for printing and pdf export with blend modes with option to print as raster
Add parameter for QgsMessageViewer to disable deleteOnClose, allows retrieving checkBoxState after dialog has closed
Make sure print as raster checkbox is updated after blend mode warning
Small fixes to heatmap plugin
Merge pull request #579 from nyalldawson/blend_warning

Show warning when printing or pdfing a composition when blend modes are present
Use OGR VSI cache as buffer on Windows
script to generate random vectors which may be used for benchmarks
fix #7770
resolve cyclic include masking QgsDiagramLayerSettings in 2479d8326 on windows
update histogram UI and options (#7619)
make raster source in General tab enabled (but read-only), so it can be copied ; add vector source to vector properties General tab, make UI consistent with that of raster properties
[sextante] fixed union algorithm
allow popups from html wms responses
fix single band pseudo sort toolbutton size (#7138)