Bump to 3.11

Summary: as title

Test Plan: none

Reviewers: sdong

Subscribers: dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D38175

include/rocksdb/version.h

@@ -5,7 +5,7 @@
 #pragma once
 
 #define ROCKSDB_MAJOR 3
-#define ROCKSDB_MINOR 10
+#define ROCKSDB_MINOR 11
 #define ROCKSDB_PATCH 0
 
 // Do not use these. We made the mistake of declaring macros starting with