Update CONTRIB for v0.1.2

Author: nbourdau

CONTRIB

@@ -1,6 +1,7 @@
 The following people have contributed to libfreenect:
 
 Aditya Gaddam <adityagaddam@gmail.com>
+Alex Weiss <algrs@cacography.net>
 Andrew <amiller@dappervision.com>
 Antonio Ospite <ospite@studenti.unina.it>
 arnebe <arne@alamut.de>
@@ -10,7 +11,11 @@ David García Garzón <david.garcia@barcelonamedia.org>
 Dominick D'Aniello <netpro2k@gmail.com>
 Drew Fisher <drew.m.fisher@gmail.com>
 Eric Monti <esmonti@gmail.com>
+Erwan Daubert <erwan.daubert@gmail.com>
+Evan Shelhamer <shelhamer@imaginarynumber.net>
+Florian Echtler <floe@butterbrot.org>
 Francois Coulombe <fcoulombe@silentfalls.org>
+Gabor Szarka <szarkagabor@coralworks.hu>
 Hector Martin <hector@marcansoft.com>
 James Harris <jimmy@jamesharris.org>
 Jochen Kerdels <jochen@kerdels.de>
@@ -28,6 +33,7 @@ Melonee Wise <mwise@willowgarage.com>
 Peter Kropf <pkropf@gmail.com>
 Radu Bogdan Rusu <rusu@cs.tum.edu>
 Rich Mattes <jpgr87@gmail.com>
+Robert Xiao <brx@cs.cmu.edu>
 Stéphane Magnenat <stephane@magnenat.net>
 Stephen Sinclair <radarsat1@gmail.com>
 Steven Lovegrove <stevenlovegrove@gmail.com>