its not exactly stable and will give up at the poles if multiple points are defined

Avoids writing MATLAB's global pathdef.m. Also fixes issue introduced in 743096db

if an axis handle is passed, it should not be ignored by taking the figures current axis

this is only needed for tooltips in the editor. Otherwise the function crashes with an audible signal

this allows to set a custom color-scheme before plotting with the toolbox.
best call
ita_preferences('colortablename','custom')
and set set(groot,'defaultAxesColorOrder',values)

-Added documentation

calculate one dot product per coordinate and not sum over the axes

now calculates according to ISO standard

Adding OpenDAFF support for ita_read and ita_write, also extending DAFF writer functionality in itaHRTF class. You may now pass daff_write arguments as further varargsin