ux(influxdb): tight-form -> gf-form

public/app/plugins/datasource/influxdb/partials/query.options.html

 <section class="grafana-metric-options">
-	<div class="tight-form">
-		<ul class="tight-form-list">
-			<li class="tight-form-item tight-form-item-icon">
-				<i class="fa fa-wrench"></i>
-			</li>
-			<li class="tight-form-item">
-				 Group by time interval
-			</li>
-			<li>
-				<input type="text" class="input-medium tight-form-input" ng-model="ctrl.panelCtrl.panel.interval" ng-blur="ctrl.panelCtrl.refresh();"
+	<div class="gf-form-group">
+		<div class="gf-form-inline">
+			<div class="gf-form">
+				<span class="gf-form-label"><i class="fa fa-wrench"></i></span>
+				<span class="gf-form-label width-12">Group by time interval</span>
+				<input type="text" class="gf-form-input" ng-model="ctrl.panelCtrl.panel.interval" ng-blur="ctrl.panelCtrl.refresh();"
 				spellcheck='false' placeholder="example: >10s">
-			</li>
-			<li class="tight-form-item">
-				<i class="fa fa-question-circle" bs-tooltip="'Set a low limit by having a greater sign: example: >60s'" data-placement="right"></i>
-			</li>
-		</ul>
-		<div class="clearfix"></div>
+				<span class="gf-form-label"><i class="fa fa-question-circle" bs-tooltip="'Set a low limit by having a greater sign: example: >60s'" data-placement="right"></i></span>
 			</div>
-
-	<div class="tight-form last">
-		<ul class="tight-form-list">
-			<li class="tight-form-item tight-form-item-icon">
+		</div>
+		<div class="gf-form-inline">
+			<div class="gf-form">
+				<span class="gf-form-label">
 					<i class="fa fa-info-circle"></i>
-			</li>
-			<li class="tight-form-item">
+				</span>
+				<span class="gf-form-label">
 					<a ng-click="ctrl.panelCtrl.toggleEditorHelp(1);" bs-tooltip="'click to show helpful info'" data-placement="bottom">
 						alias patterns
 					</a>
-			</li>
-			<li class="tight-form-item">
+				</span>
+				<span class="gf-form-label">
 					<a ng-click="ctrl.panelCtrl.toggleEditorHelp(2)" bs-tooltip="'click to show helpful info'" data-placement="bottom">
 						stacking &amp; and fill
 					</a>
-			</li>
-			<li class="tight-form-item">
+				</span>
+				<span class="gf-form-label">
 					<a ng-click="ctrl.panelCtrl.toggleEditorHelp(3)" bs-tooltip="'click to show helpful info'" data-placement="bottom">
 						group by time
 					</a>
-			</li>
-		</ul>
-		<div class="clearfix"></div>
+				</span>
+			</div>
+		</div>
 	</div>
 </section>