Added entry to ignore csv files

Change-Id: Ie1cc3a4ac5c44f07e2953a03f0c2246b021a7076
Fixes and small improvements

* Fix bug that throw crawler exception when expected document content was not found
* Fix bug when crawling on external wishlist items
* Fix typo errors on class name references (was calling the test classes on executable)
* Fix semantics on class names (CsvExportCommand was not generating any csv)
* Added test to check if "empty content" message appears when an unexpected html is returned instead of wishlist html
* Renamed the tool executable to awx (was run.php)
* Updated composer.json to enable package to be published on packgist.com

Change-Id: I2fa3f9f80769acf3a563b32c4c41438afe046626