Bug 7498 - Cloning a budget, enable change of description

Bug 7498 - Cloning a budget, enable change of description

Patch sponsored by the CCSR ( http://www.ccsr.qc.ca )

This new patch builds on the work of Bug 12164 by allowing the
user to enter a new name (budget_period_description) for the
cloned budget.

A test was added to t/db_dependent/Budgets.t.

Sponsored-by: CCSR
Signed-off-by: Paola Rossi <paola.rossi@cineca.it>
Signed-off-by: Katrin Fischer <Katrin.Fischer.83@web.de>
Works as described, passes tests and QA script.

Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>
Edit: added the sponsored-by line.