Triggers Panel: allow to change font size, closes #351.

src/panel-triggers/editor.js

@@ -36,17 +36,16 @@ class TriggerPanelEditorCtrl {
     // Update metric suggestion when template variable was changed
     $rootScope.$on('template-variable-value-updated', () => this.onVariableChange());
 
+    this.fontSizes = ['80%', '90%', '100%', '110%', '120%', '130%', '150%', '160%', '180%', '200%', '220%', '250%'];
     this.ackFilters = [
       'all triggers',
       'unacknowledged',
       'acknowledged'
     ];
-
     this.sortByFields = [
       { text: 'last change',  value: 'lastchange' },
       { text: 'severity',     value: 'priority' }
     ];
-
     this.showEventsFields = [
       { text: 'All',     value: [0,1] },
       { text: 'OK',      value: [0] },