CC: Fix phpcs errors of files changed in feature/datetime-element-4440

refs #4440

library/Icinga/Application/ApplicationBootstrap.php

@@ -235,7 +235,7 @@ abstract class ApplicationBootstrap
      * @param  string|null $subdir
      * @return string
      */
-    private function getDirWithSubDir($dir, $subdir=null)
+    private function getDirWithSubDir($dir, $subdir = null)
     {
         if ($subdir !== null) {
             $dir .= '/' . ltrim($subdir, '/');

library/Icinga/Web/Form/Element/DateTimePicker.php

@@ -94,7 +94,7 @@ class DateTimePicker extends Zend_Form_Element_Xhtml
                 $this->addErrorMessage(
                     _(
                         'Failed to parse datetime string. See '
-                            . 'http://www.php.net/manual/en/datetime.formats.php for valid formats'
+                        . 'http://www.php.net/manual/en/datetime.formats.php for valid formats'
                     )
                 );
                 return false;

modules/monitoring/application/forms/Command/SubmitPassiveCheckResultForm.php

@@ -184,5 +184,4 @@ class SubmitPassiveCheckResultForm extends CommandForm
     {
         return $this->getValue('performancedata');
     }
-
 }

test/php/library/Icinga/Web/Form/Element/DateTimePickerTest.php

@@ -93,7 +93,7 @@ class DateTimeTest extends PHPUnit_Framework_TestCase
             $dt->getValue(),
             1373616223,
             'getValue did not return the correct Unix timestamp according to the given date/time '
-                . 'string'
+            . 'string'
         );
     }