Issue #1682696 by penyaskito: fixed concurrency issues, which could cause problems if two users were submitting content at the same time.

Issue #767868 by benone, Mac_Headroom: Add functionality to hide submit messages when <none> is specified, as with block titles

Issue #740614 by DamienMcKenna, masondib: changed the UI for setting the node creation page title so that it is closer to the UI for changing block titles

Issue #1524912 by jim0203: Check whether csm_variables() works as intended for non-English Drupal installations.

#740614 by DamienMcKenna, jim0203: Fixed <a style='font-weight: normal;' href='http://drupal.org/node/740614'>#740614: Don't change the page title if none configured</a>.

bug #730272 by drseekrascal, dan3h, DamienMcKenna: Correct pass by reference syntax in call of _csm_kill_status_messages().

Initial commit of Custom Submit Messages module. Allows admin to change the messages shown to users when they create and edit nodes.