Apply PSR2 single_quote php cs fixer

Author: shakaran

Command/BuildAssetsCommand.php

@@ -70,7 +70,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
             $this->processStyle($group, $files, $fs, $input, $output);
         }
 
-        $fontsdir = $this->builddir . "/fonts";
+        $fontsdir = $this->builddir . '/fonts';
         $fs->exists($fontsdir) or $fs->mkdir($fontsdir);
 
         foreach($this->findFonts() as $name => $path) {

Composer/ScriptHandler.php

@@ -126,7 +126,7 @@ protected static function getPhpArguments()
      */
     public static function fetchThemeVendors(CommandEvent $event)
     {
-        $event->getIO()->write("Installing theme assets", true);
+        $event->getIO()->write('Installing theme assets', true);
         $options = self::getOptions($event);
         $consoleDir = self::getConsoleDir($event, 'installing theme assets');
 

Theme/ThemeManager.php

@@ -30,7 +30,7 @@ public function __construct($container, $resolverClass = null)
         $this->resolverClass = $resolverClass ?: 'Avanzu\AdminThemeBundle\Util\DependencyResolver';
     }
 
-    public function registerScript($id, $src, $deps = [], $location = "bottom")
+    public function registerScript($id, $src, $deps = [], $location = 'bottom')
     {
         if (!isset($this->javascripts[$id])) {
             $this->javascripts[$id] = [

Twig/AvanzuAdminExtension.php

@@ -40,7 +40,7 @@ public function getFilters()
         ];
     }
 
-    public function bodyClass($classes = "")
+    public function bodyClass($classes = '')
     {
         $classList = [$classes];
         $options = $this->options;