Moved algorithmic initialization to onlineDensityEstimation

Eases working with user settings.
Merge branch 'master' of https://github.com/Dan-Weinand/DensityEstimation1D
Merge branch 'master' of https://github.com/Dan-Weinand/DensityEstimation1D
Merge branch 'master' of https://github.com/Dan-Weinand/DensityEstimation1D
Initialization for algorithm variables
Merge branch 'master' of https://github.com/Dan-Weinand/DensityEstimation1D