Bump version.

lib/aws/s3/version.rb

@@ -3,7 +3,7 @@ module AWS
     module VERSION #:nodoc:
       MAJOR    = '0'
       MINOR    = '6'
-      TINY     = '2' 
+      TINY     = '3'
       BETA     = Time.now.to_i.to_s
     end