More styling changes.

Tables should look better on mobile now.
Don't show table column selector on mobile sizes.
Show more important columns on mobile.

data/interfaces/default/logs.html

@@ -19,10 +19,10 @@ from plexpy import helpers
     <div class='row-fluid'>
         <div class='span12'>
             <div class='table-card-back'>
-                <div style="float: left;">
+                <div class="header-bar">
                     <h2><i class="fa fa-book"></i> Logs</h2>
                 </div>
-                <div style="float: right;" class="button-bar">
+                <div class="button-bar">
                     <button class="rounded" id="clear-logs"><i class="fa fa-trash-o"></i> Clear log</button>
                 </div>
             </div>