Tutorial3 - documentation correction: HOABinaural max order is 5 and not 7

[zacksettel]

Correction to documentation:

change

For testing the HOABinaural class, which is a very efficient binauralizer up to order 7 that takes advantage of the symmetry of the KU100 see the following example:

to

For testing the HOABinaural class, which is a very efficient binauralizer up to order 5 that takes advantage of the symmetry of the KU100 see the following example:

reference:

HOABinaural{ ........

*initClass {
    numChannels = 50;
    maxOrder = 5;

[florian-grond]

Changed it to 7 and closed the issue