Resurrect net/wackmole and upgrade version 2.14 => 2.15
This port was removed because it's dependency "spread" was removed.
Spread has returned, and now this one returns with a new version.
* maintainership passed to submitter (old version was not unmaintained)
* pkg-descr rewritten, WWW updated
* LIB_DEPENDS format updated
* distfile mirror added
* USES+= tar:xz used
* patches regenerated
Submitted by: Chris Hutchison
Fixes by: marino