workflow_ng 5.x-1.0-beta4

changes since 5.x-1.0 beta3:

#162807: patch by jeevesbond: fixed saving modified user objects
#162732: patch by jeevesbond: Add actions to Publish and Promote to front page
#161738: fixed the redirect action to only append the destination parameter if it's not empty
#161517: Allow comparing text with URL arguments by adding token integration for the url path
#163673: added also the aliased url as global token and improved the description of the path token
#163716 added missing event invocation for "User is going to view a page"
bugfix: #arguments property is not required, fixed by applying the element info defaults correctly
mail to user action: added the possibility to specify a from address,
added mail to arbitrary address action
#164170: changed the events restricted to authenticated users to work for all users and added a note for the possible page cache issues. Introdruced the property #description for event_info, which is shown on the configuration page.