77e333474044be0d9f7be13b5d979e8ce63f4c20 Example: Added multi-row hea…

…der with single header row export example.

82c9b5a16b0534a2c02dfb8347b520e4ae76ed8c Release 3.0.2

Sync to source repo @82c9b5a16b0534a2c02dfb8347b520e4ae76ed8c

datatables.json

@@ -14,5 +14,5 @@
     ],
     "src-repo": "http://github.com/DataTables/Buttons",
     "last-tag": "3.0.1",
-    "last-sync": "4a14b6fb93901695a6dc88d541e8e409efcac8ce"
+    "last-sync": "82c9b5a16b0534a2c02dfb8347b520e4ae76ed8c"
 }