WBCommandExts.t: Fixed a pending TODO related to
"->_translate_params" with the solution applied recently
to BWA.t, Bowtie.t, Maq.t and Samtools.t
Merge branch 'master' into topic/issue11
add filters to create_meta.pl

Filter various kinds of dependencies out of the final 'requires'
* WrapperBase and friends - always installed
* Children of module - always installed when the module is selected
* Stray perl version uses