Integrated Matrix into the codebase (this is a mistake, but an
interesting one).  I meant that we needed a matrix of questions, so I
wrote that.  But now we also have a matrix that can calculate numbers.
Why not?  It generates HTML, javascript and XML representations.
Putting in cleaned version of Image. Every image has a name which is a
string.
Added Random number utilities to Quiz
Merge branch 'master' of https://github.com/hydrodog/LiquiZ.git

Conflicts:
	LiquiZ/src/org/adastraeducation/liquiz/Image.java