Fix the deprecation message.
Add semi-colons, so the code's actual code...
Add deprecation message to the superfluous DS-COMPOSITE-MODEL parser.
Revert "Add semi-colons, so the code's actual code..."

This reverts commit 992c42b96f1faed5fc48eb1dd8680537b1f05831...
... Apparently, the "production" code review has a bit of a bug in it,
where it doesn't parse @code/@endcode sections properly:
http://drupal.org/node/1991382
Merge pull request #345 from adam-vessey/7.x-fix-and-add-deprecated-message

Fix the existing deprecation message, and add one for the extra DS-COMPOSITE-MODEL parser.