current working directory path (from the client side).
Updated sample commandline test action to use '%SystemRoot%\Notepad.exe'.
Added lock check to check out action code to give more meaningful error message.
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@3689 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261