Bug 29987: Add register support to manual credits

Bug 29987: Add register support to manual credits

This patch adds the register and transaction type selection options to
the manual credit page.

Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit 529341c78bfaf7b8ece43e18cc30a13b64478639)

Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>
(cherry picked from commit 81d96929200315010b22d1d85d677f5102158d09)
Signed-off-by: Arthur Suzuki <arthur.suzuki@biblibre.com>