feat(form): Enhancements to PlanTripButton for TriMet mobile UI

Add option for custom button text. Add css class.

Author: David Emory

lib/components/form/plan-trip-button.js

@@ -6,16 +6,18 @@ import { planTrip } from '../../actions/api'
 
 class PlanTripButton extends Component {
   static propTypes = {
-    onClick: PropTypes.func
+    onClick: PropTypes.func,
+    text: PropTypes.string
   }
   _onClick = () => {
     this.props.planTrip()
   }
   render () {
     return (
       <Button
+        className='plan-trip-button'
         onClick={this._onClick || this.props.onClick}
-        >Plan Trip</Button>
+      >{this.props.text || 'Plan Trip'}</Button>
     )
   }
 }