simplified data printing at several spots
improved text positioning for 3d
some cleanups
more coordinates{} -> table{}
add test function for hg transformations
add basic support for hg transformations
legend fixes for hggroups
some cleanups
updated year to 2013
bugfix for 3d patches
special treatment for zplane_unitcircle
workaround for double axes (overlayed)
apply hg-tranformations to a number of other plot types
bugfix for colors, visible with stem(x, y, 'filled')
moved minimumPointsDistance functionality to separate script
apply line width for markers, too
use 'z buffer=sort' unconditionally for surface plots
whitespace cleanup
respect axis labels for color bars
removed obsolute drawColorbar()