Additional changes of the coding style

	modified:   admin.php
	modified:   block_coursefeedback.php
	modified:   db/access.php
	modified:   db/install.php
	modified:   db/uninstall.php
	modified:   evaluate.php
	modified:   exportlib.php
	modified:   forms/coursefeedback_admin_forms.php
	modified:   forms/coursefeedback_evaluate_form.php
	modified:   forms/coursefeedbackform.php
	modified:   lang/de/block_coursefeedback.php
	modified:   lang/en/block_coursefeedback.php
	modified:   lang/fr/block_coursefeedback.php
	modified:   lib.php
	modified:   settings.php
	modified:   version.php
	modified:   view.php