Bring CONTRIBUTORS.rst up to date (I hope!)

CONTRIBUTORS.rst

@@ -14,6 +14,12 @@ Contributors
 * Paul Hallett (twilio) hello@phalt.co
 * Tom Dyson
 * Serafeim Papastefanos
+* Łukasz Bołdys
+* peterarenot
+* Levi Gross
+* Delgermurun Purevkhuu
+* Lewis Cowper
+* Stephen Newey
 
 Translators
 ===========
@@ -21,12 +27,12 @@ Translators
 * Basque: Unai Zalakain
 * Bulgarian: Lyuboslav Petrov
 * Catalan: David Llop
-* Chinese: Victoria Chan
+* Chinese: Lihan Li
 * French: Sylvain Fankhauser
 * Galician: fooflare
-* German: Karl Sander
+* German: Karl Sander, Johannes Spielmann
 * Greek: Serafeim Papastefanos
-* Mongolian: Delgermurun Purevkhuuu
+* Mongolian: Delgermurun Purevkhuu
 * Polish: Łukasz Bołdys
 * Romanian: Dan Braghis
 * Spanish: Unai Zalakain, fooflare