Add new contributors to .mailmap file.

.mailmap

@@ -8,6 +8,7 @@
 # For any emails that show up in the shortlog that aren't in one of
 # these lists, figure out their GitHub username and add them.
 
+
 GITHUB: aldeed <[email protected]>
 GITHUB: AlexeyMK <[email protected]>
 GITHUB: ansman <[email protected]>
@@ -23,6 +24,7 @@ GITHUB: davegonzalez <[email protected]>
 GITHUB: DenisGorbachev <[email protected]>
 GITHUB: ducdigital <[email protected]>
 GITHUB: duckspeaker <[email protected]>
+GITHUB: ecwyne <[email protected]>
 GITHUB: emgee3 <[email protected]>
 GITHUB: EOT <[email protected]>
 GITHUB: felixrabe <[email protected]>
@@ -47,13 +49,15 @@ GITHUB: mitar <[email protected]>
 GITHUB: mitar <[email protected]>
 GITHUB: mizzao <[email protected]>
 GITHUB: mquandalle <[email protected]>
+GITHUB: mquandalle <[email protected]>
 GITHUB: nathan-muir <[email protected]>
 GITHUB: Neftedollar <[email protected]>
 GITHUB: OyoKooN <[email protected]>
 GITHUB: paulswartz <[email protected]>
 GITHUB: Pent <[email protected]>
 GITHUB: prapicault <[email protected]>
 GITHUB: prapicault <[email protected]>
+GITHUB: Primigenus <[email protected]>
 GITHUB: pscanf <[email protected]>
 GITHUB: queso <[email protected]>
 GITHUB: rcy <[email protected]>
@@ -69,6 +73,7 @@ GITHUB: ryw <[email protected]>
 GITHUB: rzymek <[email protected]>
 GITHUB: sdarnell <[email protected]>
 GITHUB: subhog <[email protected]>
+GITHUB: svda <[email protected]>
 GITHUB: tbjers <[email protected]>
 GITHUB: thatneat <[email protected]>
 GITHUB: timhaines <[email protected]>
@@ -77,6 +82,7 @@ GITHUB: tmeasday <[email protected]>
 GITHUB: twhy <[email protected]>
 GITHUB: waitingkuo <[email protected]>
 GITHUB: wulfmeister <[email protected]>
+GITHUB: yauh <[email protected]>
 GITHUB: yeputons <[email protected]>
 GITHUB: zol <[email protected]>