Bug 16842: Help for EDI accounts

Bug 16842: Help for EDI accounts

To test:

1) Go to Admin -> EDI accounts
2) Click Help in top-right corner
3) Confirm that Help window opens with appropriate help text
4) Confirm links work as expected

Sponsored-by: Catalyst IT
Signed-off-by: Marc Véron <veron@veron.ch>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Fixed link to the manual: cat -> acq

Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
(cherry picked from commit 33f670f5b314c2e73567ce0cbc7bcd2302127634)
Signed-off-by: Frédéric Demians <f.demians@tamil.fr>