MDL-64505 theme_classic: Grunt update and version formatting.

theme/classic/style/moodle.css

@@ -10780,6 +10780,10 @@ div.editor_atto_toolbar button .icon {
   overflow: hidden !important;
   /* stylelint-disable-line declaration-no-important */ }
 
+.text-break {
+  overflow-wrap: break-word !important;
+  /* stylelint-disable-line declaration-no-important */ }
+
 .icon {
   font-size: 16px;
   width: 16px;

theme/classic/version.php

@@ -28,6 +28,4 @@ defined('MOODLE_INTERNAL') || die();
 $plugin->version = 2019030100;
 $plugin->requires = 2019030100;
 $plugin->component = 'theme_classic';
-$plugin->dependencies = [
-    'theme_boost' => 2019022600
-];
+$plugin->dependencies = array('theme_boost' => 2019022600);