Introduced lib/sde-package/hives.in library, including only package_hives_list() for now

lib/sde-package/hives.in

@@ -0,0 +1,20 @@
+# --- SDE-COPYRIGHT-NOTE-BEGIN ---
+# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
+#
+# Filename: lib/sde-package/hives.in
+# Copyright (C) 2008 The OpenSDE Project
+#
+# More information can be found in the files COPYING and README.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License. A copy of the
+# GNU General Public License can be found in the file COPYING.
+# --- SDE-COPYRIGHT-NOTE-END ---
+
+# returns the list of available hives
+package_hives_list()
+{
+	ls -1d "$SDEROOT/lib/sde-package/hives"/*.in 2> /dev/null |
+				sed -e 's,^.*/,,' -e 's,\.in$,,'
+}