Update attributes to improve interop with animations

Author: rreusser

src/components/updatemenus/attributes.js

@@ -17,7 +17,7 @@ var buttonsAttrs = {
 
     method: {
         valType: 'enumerated',
-        values: ['restyle', 'relayout'],
+        values: ['restyle', 'relayout', 'animate'],
         dflt: 'restyle',
         role: 'info',
         description: [

src/plots/frame_attributes.js

@@ -20,7 +20,7 @@ module.exports = {
     name: {
         valType: 'string',
         role: 'info',
-        description: ['A label by which to identify the frame']
+        description: 'A label by which to identify the frame'
     },
     traces: {
         valType: 'data_array',