Bug 27946: Add UI handling of AR fees

Bug 27946: Add UI handling of AR fees

This patch:
- Adds a notice about the fee to be charged to the patron (staff and
  OPAC)
- Adds the right UI description for ARTICLE_REQUEST_FEE debit types in
  the UI.

To test:
1. Have some article request fee rules
2. Play with placing an article request in OPAC and staff
=> SUCCESS: You see a message about the fee
=> SUCCESS: The fees are correctly applied to the patron
3. Sign off :-D

Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>