Bug fixes to copy number tools.
Removing acgh-update-aberration-frequencies.R and adding its functionality (+ more) to extract-samples-from-dataset.R.
Removing old manual files for copy number tools that have been renamed or removed.
Removing some old copy number tool files (that are no longer referred to from the *-module.xml files).
Updated descriptions and manuals for integration tools between copy number and expression.
Added manual page for cna-correct.R.