e72b6553b0cf464d0f46e101fb3ebaa705e4c408 Example: Update SSP custom v…

…ariables example to actually use the custom parameter, and also clarify that you don't need to use `-init serverSide` to use `-init ajax.data`.

Sync to source repo @e72b6553b0cf464d0f46e101fb3ebaa705e4c408

datatables.json

@@ -14,5 +14,5 @@
     ],
     "src-repo": "http://github.com/DataTables/DataTablesSrc",
     "last-tag": "2.2.2",
-    "last-sync": "70533c456640e8e69d585c0c95ffbb23d11a42b5"
+    "last-sync": "e72b6553b0cf464d0f46e101fb3ebaa705e4c408"
 }