Tweak error message formatting

Author: jasonrudolph

lib/package-initialization-error-component.js

@@ -16,7 +16,7 @@ class PackageInitializationErrorComponent {
   render () {
     return $.div({className: 'PackageInitializationErrorComponent'},
       $.h3(null, 'Teletype initialization failed'),
-      $.p(null, 'Error : ' + this.props.initializationError.message),
+      $.p(null, 'Error: ' + this.props.initializationError.message),
       $.p(null, 'Make sure your internet connection is working and restart the package.'),
       $.div(null,
         $.button(