4a14b6fb93901695a6dc88d541e8e409efcac8ce New: `-type button-group-sel…

…ector` can now select a button group using the group's container element.

https://datatables.net/forums/discussion/78684

Sync to source repo @4a14b6fb93901695a6dc88d541e8e409efcac8ce

datatables.json

@@ -14,5 +14,5 @@
     ],
     "src-repo": "http://github.com/DataTables/Buttons",
     "last-tag": "3.0.1",
-    "last-sync": "919d14b1f89aba2f84090b4a174f07bb3af23402"
+    "last-sync": "4a14b6fb93901695a6dc88d541e8e409efcac8ce"
 }