UI: Fix typo that prevented tables from being stripey as intended.

src/main/resources/web/tpl/flow-list.html

 <div class="page-header">
 	<h1>Flows (<%= nflows %>)</h1>
 </div>
-<table class="table striped-table flow-table">
+<table class="table table-striped flow-table">
 	<thead><tr><th>Cookie</th><th>Priority</th><th>Match</th><th>Action</th><th>Packets</th><th>Bytes</th><th>Age</th><th>Timeout</th></tr></thead>
 	<tbody>
 		<!-- flows will be inserted here by FlowListView:render -->

src/main/resources/web/tpl/host-list.html

@@ -3,7 +3,7 @@
 <div class="page-header">
 	<h1>Hosts (<%= nhosts %>)</h1>
 </div>
-<table class="table striped-table host-table">
+<table class="table table-striped host-table">
 	<thead><tr><th>MAC Address</th><!-- <th>VLAN</th> --><th>IP Address</th><th>Switch Port</th><th>Last Seen</th></tr></thead>
 	<tbody>
 		<!-- hosts will be inserted here by HostListView.render -->

src/main/resources/web/tpl/port-list.html

 <div class="page-header">
 	<h1>Ports (<%= nports %>)</h1>
 </div>
-<table class="table striped-table port-table">
+<table class="table table-striped port-table">
 	<thead><tr><th>#</th><th>Link Status</th><th>TX Bytes</th><th>RX Bytes</th><th>TX Pkts</th><th>RX Pkts</th><th>Dropped</th><th>Errors</th></tr></thead>
 	<tbody>
 		<!-- ports will be inserted here by PortListView:render -->

src/main/resources/web/tpl/switch-list.html

@@ -3,7 +3,7 @@
 <div class="page-header">
 	<h1>Switches (<%= nswitches %>)</h1>
 </div>
-<table class="table striped-table switch-table">
+<table class="table table-striped switch-table">
     <thead><tr><th>DPID</th><th>Vendor</th><th>Packets</th><th>Bytes</th><th>Flows</th></tr></thead>
 	<tbody>
 		<!-- switches will be inserted here by SwitchListView:render -->