refine rageltman, add rwhitcroft

.mailmap

@@ -138,9 +138,13 @@ r3dy <r3dy@github>                     Royce Davis <rdavis@Royces-MacBook-Pro-2.
 r3dy <r3dy@github>                     Royce Davis <royce.e.davis@gmail.com>
 rep <mschloesser-r7@github>            Mark Schloesser <mark_schloesser@rapid7.com>
 rep <mschloesser-r7@github>            mschloesser-r7 <mark_schloesser@rapid7.com>
-RageLtMan <sempervictus@github>        RageLtMan <rageltman[at]sempervictus>
+RageLtMan <sempervictus@github>        <rageltman [at] sempervictus>
+RageLtMan <sempervictus@github>        <rageltman@sempervictus.com>
 Rick Flores <0xnanoquetz9l@gmail.com>  Rick Flores (nanotechz9l) <0xnanoquetz9l@gmail.com>
 rsmudge <rsmudge@github>               Raphael Mudge <rsmudge@gmail.com> # Aka `butane
+rwhitcroft <rwhitcroft@github>         <rwhitcroft.github@gmail.com>
+rwhitcroft <rwhitcroft@github>         <rwhitcroft@gmail.com>
+rwhitcroft <rwhitcroft@github>         <rwhitcroft@users.noreply.github.com>
 schierlm <schierlm@github>             Michael Schierl <schierlm@gmx.de> # Aka mihi
 scriptjunkie <scriptjunkie@github>     Matt Weeks <scriptjunkie@scriptjunkie.us>
 scriptjunkie <scriptjunkie@github>     scriptjunkie <scriptjunkie@scriptjunkie.us>