[ticket/13209] Fix expected request value of CPF language fields.

Multiple languages can be edited, thus the expected value is an array.

PHPBB3-13209
[ticket/13209] Gather language field values for boolean CPF's in all steps.

The user can move back and forth between all three steps and as such the lang
field data should be expected in all steps.

PHPBB3-13209
[ticket/13331] Use docs target for this branch, add docs-all for dev branches.

PHPBB3-13331
Merge pull request #3142 from bantu/ticket/13331

[ticket/13331] Use docs target for this branch, add docs-all for all branches

* bantu/ticket/13331:
  [ticket/13331] Use docs target for this branch, add docs-all for dev branches.

Conflicts:
	build/build.xml
	build/sami-checkout.conf.php
[ticket/13331] Remove travis/sami.conf.php. Use build/sami-checkout.conf.php.

PHPBB3-13331
Merge pull request #3142 from bantu/ticket/13331

[ticket/13331] Use docs target for this branch, add docs-all for all branches
Merge pull request #3143 from bantu/ticket/13331-ascraeus

[ticket/13331] Use docs target for this branch, add docs-all for all branches
Merge branch 'develop-olympus' into develop-ascraeus
Merge pull request #3137 from prototech/ticket/13209

[ticket/13209] Fix loss of CPF language field values when switching steps