MathGL Code

Add 'mode' to find the mode of 1D or 2D waveguide

Fixes for recent changes in Qt5; Start to add 'mode' for determioning 1d or 2d wave-guide mode (not finished)

Bugfix for wrong position of left edge of 'bbox'

Bugfix for using dashing in hex color with 'd'

Add HistL() for histogram by linear interpolation; Add operators for mglDataC; Start adding multi-fontface features (not finished)

Update fonts and set STIX2 (STIXTwo) font as default. Add CJK fonts. Note, changes are not well tested -- you can use old STIX in the case of any problems

Bugfix in make_font for correct numbers in wire font

Changes in config files

MathGL: some optimizations to Qt rework and fixes to JSON compile.

MathGL: some fixes to Qt rework.