LIVY-352. Web UI: Added pagination by updating to use JQuery DataTables

PR moved from old repo cloudera/livy#326

[LIVY-352](https://issues.cloudera.org/browse/LIVY-352)

Followup to cloudera/livy#319 adding pagination and search by switching to use jQuery DataTables like the Spark Web UI.

![none](https://cloud.githubusercontent.com/assets/13952758/25873293/cdd1c466-34c2-11e7-95bd-67d24e775036.png)
![both](https://cloud.githubusercontent.com/assets/13952758/25873299/d02de820-34c2-11e7-93bf-af0b33e3c1f2.png)
![sessions](https://cloud.githubusercontent.com/assets/13952758/25873304/d582167a-34c2-11e7-9c0b-73620cf4bf80.png)
![batch](https://cloud.githubusercontent.com/assets/13952758/25873307/d71f7838-34c2-11e7-9d2b-1462af2f8f6e.png)

Author: Alex Bozarth <ajbozart@us.ibm.com>

Closes apache#3 from ajbozarth/ui-pagination.

Author: ajbozarth

Diff for: server/src/main/resources/com/cloudera/livy/server/ui/static/all-sessions.js

@@ -60,10 +60,15 @@ var numSessions = 0;
 var numBatches = 0;
 
 $(document).ready(function () {
+  $.extend( $.fn.dataTable.defaults, {
+    stateSave: true,
+  });
+
   var sessionsReq = $.getJSON(location.origin + "/sessions", function(response) {
     if (response && response.total > 0) {
       $("#interactive-sessions").load("/static/sessions-table.html .sessions-template", function() {
         loadSessionsTable(response.sessions);
+        $("#interactive-sessions-table").DataTable();
         $('#interactive-sessions [data-toggle="tooltip"]').tooltip();
       });
     }
@@ -74,6 +79,7 @@ $(document).ready(function () {
     if (response && response.total > 0) {
       $("#batches").load("/static/batches-table.html .sessions-template", function() {
         loadBatchesTable(response.sessions);
+        $("#batches-table").DataTable();
         $('#batches [data-toggle="tooltip"]').tooltip();
       });
     }

Diff for: server/src/main/resources/com/cloudera/livy/server/ui/static/batches-table.html

@@ -18,7 +18,7 @@
 
 <h4 id="batches-header" class="sessions-template">Batch Sessions</h4>
 
-<table class="table table-striped sessions-table sessions-template">
+<table id="batches-table" class="table table-striped sessions-table sessions-template">
   <thead class="sessions-table-head">
   <tr>
     <th>Batch Id</th>