fixed the check in lang::message::register that embedded variables are not tampered with, translator mode links vastly improved by Lars - translations that can be edited have a hyperlinked green circle after them, texts with missing translations are highlighted in yellow and have a hyperlinked red star after them, now navigation (links) are not broken by translator mode being on
Splitting up the message keys into package_key and message_key in the datamodel, adding a message key table, changing format of catalog files to be xml based, cleaning up tcl API and its documentation, adding acs-automated-testing tests that test some catalog and message TCL procs