Add the mailmap to cleanup the shortlog

Author: genio

.mailmap

@@ -0,0 +1,14 @@
+# https://www.kernel.org/pub/software/scm/git/docs/git-shortlog.html#_mapping_authors
+Chase Whitener <capoeirab@cpan.org> <cwhitener@gmail.com>
+Chase Whitener <capoeirab@cpan.org> <chase.whitener@infotechfl.com>
+Chase Whitener <capoeirab@cpan.org> <cwhitener@cwhitener-dev.ad.infotechfl.com>
+Gisle Aas <gisle@ActiveState.com> <aas@oslonett.no>
+Gisle Aas <gisle@ActiveState.com> <gisle.aas@it.uib.no>
+Gisle Aas <gisle@ActiveState.com> <gisle@aas.no>
+Gisle Aas <gisle@ActiveState.com> <gisle@baux-2.lan>
+Gisle Aas <gisle@ActiveState.com> uid39246 <uid39246>
+Mark Stosberg <MARKSTOS@cpan.org> <mark@stosberg.com>
+Mark Stosberg <MARKSTOS@cpan.org> <mark@summersault.com>
+Mike Schilli <mschilli@yahoo-inc.com> mschilli <github@perlmeister.com>
+Slaven Rezic <slaven@rezic.de> <srezic@iconmobile.com>
+Ville Skyttä <ville.skytta@iki.fi> Ville Skytta