NEW: autoscaling for barcharts works now, also when stacked and unstacked charts are combined in one plot
NEW: proper styling for financial graphs in style.ini-files
REWORKED: separation and gruping factor for barcharts on autoscaling
doc update
1. added several new (JKQTPMathImageBone, JKQTPMathImageCool, JKQTPMathImageCopper, JKQTPMathImageAutumn, JKQTPMathImageSeismic, JKQTPMathImageTerrain, JKQTPMathImageViridis, JKQTPMathImageMagma, JKQTPMathImageInferno, JKQTPMathImagePlasma)
2. reworked LUT-types (now a QVector, instead of a C-array, suing malloc)
3. reworked available functions to build LUTs (cleanup, more options, clearer names)
4. added functions to load palettes from files
5. Improved documentation
* added example for user-controlled color palettes