Update CompareValidator.php

Fix new method name "getIsAjax" and fix web application class name in logger

command since postgres does not accept db creation in multiline statement.

Refactored == null to is_null == '' to empty(...)

#72 Improve the "asset" command Iteration 4

Check output bundle file format has been added to "AssetControllerTest::testActionCompress()" unit test.

updated script event