[S2GRAPH-248] HTTP interface integration.

JIRA:
  [S2GRAPH-248] https://issues.apache.org/jira/browse/S2GRAPH-248

Pull Request:
  Closes #193

Author
  daewon <daewon@apache.org>

CHANGES

diff --git a/CHANGES b/CHANGES
index 26388ab..6b7d679 100644
--- a/CHANGES
+++ b/CHANGES
@@ -115,6 +115,7 @@
     * [S2GRAPH-229] - 'Step' abstraction for combinable queries
     * [S2GRAPH-245] - Remove install hbase step on travis CI.
     * [S2GRAPH-246] - Integration of documents into the S2Graph project.
+    * [S2GRAPH-248] - HTTP interface integration.
 
 Release 0.1.0 - Released