canonicalize contributor names and emails

Author: karenetheridge

.mailmap

@@ -0,0 +1,16 @@
+# https://www.kernel.org/pub/software/scm/git/docs/git-shortlog.html#_mapping_authors
+Michael G. Schwern <[email protected]> Michael G Schwern <[email protected]>
+Chris 'BinGOs' Williams <[email protected]> Chris Williams <[email protected]>
+Ed J <[email protected]> mohawk2 <[email protected]>
+Matt S Trout <[email protected]> <[email protected]>
+Roy Ivy III <[email protected]> <[email protected]>
+Dan Book <[email protected]> <[email protected]>
+Reini Urban <[email protected]> <[email protected]>
+Gabor Szabo <[email protected]> <[email protected]>
+Jens Rehsack <[email protected]> <[email protected]>
+Yves Orton <[email protected]> <[email protected]>
+Felipe Gasper <[email protected]> <[email protected]>
+Håkon Hægland <[email protected]> <[email protected]>
+Sisyphus <[email protected]> <[email protected]>
+Steve Hay <[email protected]> <[email protected]>
+magnolia <[email protected]> <[email protected]>