Clean up JuliaSet and extend Complex.
More work on Julia
Merge branch 'julia' of https://github.com/vijoc/into-dangerzone into
julia

Conflicts:
	IntoDangerzone/src/math/Complex.java
	IntoDangerzone/src/scenes/julia/JuliaSet.java
Merge branch 'master' into julia
Work on julia. Looks pretty nice.
Merge pull request #26 from vijoc/julia

Julia