Add an AUTHORS file in debian/ so I can acknowledge contributors

debian/AUTHORS

+This Debian packaging was written in 2012 by:
+
+  Travis Cross <tc@traviscross.com>
+
+For copyright claims over this packaging and other software, see
+debian/copyright.
+
+Current maintainer: Travis Cross <tc@traviscross.com>
+Bug reports: http://jira.freeswitch.org/ (assign to maintainer)
+Security related bug reports: [email to maintainer]
+
+# Acknowledgments
+
+Thanks-to: Anthony Minessale <anthm@freeswitch.org>
+Thanks-to: Michael Jerris <mike@jerris.com>
+# for creating a project worth packaging and for periodic tweaks
+
+Thanks-to: Philip Hands <phil@hands.com>
+# for documenting our project's tangle of copyrights
+
+Thanks-to: Steven Ayre <steveayre@gmail.com>
+# for assistance with various module dependencies
+
+Thanks-to: William King <william.king@quentustech.com>
+# for moral support and small tweaks
+