Change copyright header

pranavk · pranavk · commit ad5c873fd5bf · 2018-03-31T01:22:38.000+05:30
As per comments by pmenon in #1108
diff --git a/src/include/parser/explain_statement.h b/src/include/parser/explain_statement.h
@@ -6,7 +6,7 @@
 //
 // Identification: src/include/parser/explain_statement.h
 //
-// Copyright (c) 2018, Pranav Kant
+// Copyright (c) 2018, Carnegie Mellon University Database Group
 //
 //===----------------------------------------------------------------------===//
 
