disabled logs if no logDir
hide errors when using mkdir
commented out console.log
changed getEntryResult to getResult
removed getUrlParameters from RequestHelper
remobed KaltureResultObject
use request->getFlashVars method
Use Request->set method instead setting value directly into urlParameters array
removed all urlParameters references and use Request->get instead
changed getPlaylistResult to getResult
added try/catch for entry and playlsit results
some changes to KalturaClient to support GET method for requests