Fixed copyright year in experiment engine help output

Fixed incorrect implementation of Bhattacharyya Distance and updated …

…Bhattacharyya distance unit test

Changed version constant from "8.0.0-alpha-5" to "8.0.0-alpha-6"

Fixed occasional "NullPointerException" occurring when using the expe…

…riment engine

Changed version constant from "8.0.0-alpha-2" to "8.0.0-alpha-3"

Added "Smash I" canonicizer and associated unit test

Changed version constant from "7.0.0-alpha-3" to "8.0.0"

To prevent issues when running JGAAP on Windows, replace colons with …

…dashes in names of files outputted by the Experiment Engine.

Changed version constant from "7.0.0-alpha" to "7.0.0-alpha-2"

Adding javadocs