Bug 11922: Add SHOW_BCODE patron attribute for Norwegian web installer

Bug 11922: Add SHOW_BCODE patron attribute for Norwegian web installer

Test plan:
1. Notice that /patron_attributes.sql and /patron_attributes.txt can be
located in 2-Valgfritt
2. Confirm that the SHOW_BCODE patron attribute in the English web
installers .sql and .txt file is also in the Norwegian web installers
.sql and .txt file

Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
(cherry picked from commit 495619649b329ce52b86998668461ca72827c6ab)
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
(cherry picked from commit 9f2110cbbedb2c5f13f915fc496bc2156a08d0ac)

Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>
(cherry picked from commit 0451ac7f66cd775baa202c7106fa8bdaa819c7b1)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>