+ stats.js: public APIs for accessing various system stats. Probably needs a better name

* Fix pause placement. Wait for all views ready before placing cursor such that the prompt will display in the right spot

core/stats.js

@@ -0,0 +1,32 @@
+/* jslint node: true */
+'use strict';
+
+var userDb			= require('./database.js').dbs.user;
+
+var async			= require('async');
+
+exports.getUserLoginHistory	= getUserLoginHistory;
+
+function getUserLoginHistory(numRequested, cb) {
+
+	numRequested = Math.max(1, numRequested);
+
+	var loginHistory = [];
+
+	userDb.each(
+		'SELECT user_id, user_name, timestamp '	+
+		'FROM user_login_history '				+
+		'ORDER BY timestamp DESC '				+
+		'LIMIT ' + numRequested + ';',
+		function historyRow(err, histEntry) {
+			loginHistory.push( {
+				userId		: histEntry.user_id,
+				userName	: histEntry.user_name,
+				timestamp	: histEntry.timestamp,
+			} );
+		},
+		function complete(err, recCount) {
+			cb(err, loginHistory);
+		}
+	);
+}