[ticket/12489] Add notice about %s wildcard in FIELD_IS_CONTACT_EXPLAIN

PHPBB3-12489
[ticket/12489] Language correction

PHPBB3-12489
Merge pull request #2942 from Senky/ticket/12489

[ticket/12489] Description for Contact link in custom profile fields
Merge branch 'develop-ascraeus' into develop
[ticket/13136] Update schema.json with latest changes

PHPBB3-13136
Merge branch 'develop-ascraeus' into develop

* develop-ascraeus:
  [ticket/13136] Update schema.json with latest changes
[ticket/13137] Remove schema.json file

PHPBB3-13137
[ticket/13137] Generate the schema when the schema.json file is not available

PHPBB3-13137
[ticket/13137] Improve output of create_schema_files.php

PHPBB3-13137
Merge branch 'develop-ascraeus' into develop

* develop-ascraeus:
  [ticket/13137] Create schema.json in build script
  [ticket/13137] Improve output of create_schema_files.php
  [ticket/13137] Add schema.json file to .gitignore
  [ticket/13137] Generate the schema when the schema.json file is not available
  [ticket/13137] Remove schema.json file
[prep-release-3.1.0-RC5] Update version to 3.1.0-RC5
[prep-release-3.1.0-RC5] Add migration for 3.1.0-RC5
[prep-release-3.1.0-RC5] Prepare Changelog
[prep-release-3.1.0-RC5] Add changelog for 3.1.0-RC5
[prep-release-3.1.0-RC5] Update phpBB Version for RC6 development
Merge branch 'develop-ascraeus' into develop

Conflicts:
	build/build.xml
	phpBB/includes/constants.php
	phpBB/install/schemas/schema_data.sql
	phpBB/styles/prosilver/style.cfg
	phpBB/styles/subsilver2/style.cfg