Description for circ.holds.default_shelf_expire_interval

Signed-off-by: Pasi Kallinen <pasi.kallinen@pttk.fi>
Signed-off-by: Remington Steed <rjs7@calvin.edu>
Signed-off-by: Dan Wells <dbw2@calvin.edu>
LP1158211 - add upgrade script to fill empty description

Signed-off-by: Remington Steed <rjs7@calvin.edu>
Signed-off-by: Dan Wells <dbw2@calvin.edu>
Stamping upgrade script for empty seed description

Signed-off-by: Dan Wells <dbw2@calvin.edu>