Improve license detection

Uses license and meta names from all known Software::License::*
module to populate heuristic data.
s/4/2/ space indents
add changelog and cautionary comment
v0.103006

          try harder to identify licenses from all installed License classes;
          this is an @INC-scanning change, so be vigilant; thanks, David
          Golden!
tweak the regex for "license from meta" guessing

...so that meta license names ending in _n or _n_n will work
update to parent from base
changelog
v0.103007

          fix regex to allow guessing from meta things like perl_5 (thanks,
          Kevin Dawson!)

          replace 'use base' with 'use parent'
Merge remote-tracking branch 'rjbs/master'

Conflicts:
	lib/Software/LicenseUtils.pm
simplified %short_name hash