Adding the current team to CONTRIBUTORS (google#2063)

CONTRIBUTORS

@@ -6,14 +6,23 @@
 # Core team:
 #
 # These people were responsible for the initial implementations in Java and
-# C++, and carry out the bulk of metadata maintenance, bug fixes & feature
-# requests, and porting new features to Javascript.
+# C++.
 
 Shaopeng Jia
 Lara Rennie
 David Yonge-Mallo
 David Beaumont
 
+# Team carrying out the bulk of metadata maintenance, bug fixes & feature
+# requests, and porting new features to Javascript.
+
+Andy Staudacher
+Aravind Penmetsa
+David Beaumont
+Kavitha Keshava
+Keghani Kristelle Kouzoujian
+Sumathi Sundara Murthy
+
 # Additional contributions:
 
 # Javascript