fix assembly of local stashes (Jesse Luehrs)
fix PkgVersion and PodVersion to work on scripts (M. Gardner)
add PkgDist plugin for questionable reasons
add MintingProfile, dzil new -P (rjbs and SamuraiJack)
add ModuleShareDirs for per-module ShareDir (David Golden)
add the User stash and make author use it by default
ManifestSkip no longer falls back to default MANIFEST.SKIP
minor improvements to documentation and consistency of code layout