Make table not found test more flexible, add Relnotes

Author: alexmoore

RELNOTES.md

@@ -1,6 +1,12 @@
 Release Notes
 =============
 
+### 2.1.1
+
+Following issues / PRs addressed:
+
+*  [Added TS 1.5 Feature Support](https://github.com/basho/riak-java-client/pull/691)
+
 ### 2.1.0
 
 **Notes**

src/test/java/com/basho/riak/client/api/commands/itest/ITestTimeSeries.java

@@ -378,7 +378,8 @@ public void test_r_TestDescribeTableCommandForNonExistingTable() throws Interrup
 
         final String message = describeFuture.cause().getMessage();
         assertTrue(message.toLowerCase().contains(BAD_TABLE_NAME.toLowerCase()));
-        assertTrue(message.toLowerCase().contains("not an active table"));
+        assertTrue(message.toLowerCase().contains("not"));
+        assertTrue(message.toLowerCase().contains("active"));
     }
 
     @Test