Localisation updates from https://translatewiki.net.

Change-Id: Ieaae48b7263d6d2cbe6ca56d9fcca1ef002d70f3
Add the default logline prefix to everything that has an instantiated gateway.

TODO: Figure out a way to test expected syslog logging in unit tests.

Change-Id: I482327c72c75526b86b46d2ce81d3072c626dc0c

Conflicts:

	tests/includes/test_gateway/test.adapter.php
iDeal and Sofort forms - change amount options to match what we now use elsewhere

Change-Id: I80cd01d5fdd355e8021721c3d2ea4313e8f4728a
branch_code is constrained to 4 digits for Direct Debit in Spain.

Additional: Future constraing violations with GC will now show up
in the error log. Done playing.

Change-Id: I955eeeefba2bb4d00b60ed369f8e621810344b0a

Conflicts:

	tests/Adapter/GlobalCollect/DirectDebitTestCase.php
Localisation updates from https://translatewiki.net.

Change-Id: I8c024bec1b88f2ab613c686465d4aed9b39b3767