* prep-release-3.1.0-RC4:
[prep-release-3.1.0-RC4] Update phpBB Version for RC4 development
[prep-release-3.1.0-RC4] Add changelog for 3.1.0-RC4
[prep-release-3.1.0-RC4] Prepare Changelog
[prep-release-3.1.0-RC4] Add migration for 3.1.0-RC4
[prep-release-3.1.0-RC4] Update version to 3.1.0-RC4
[ticket/13073] Correctly generate routes from subfolders like /adm
* marc1706/ticket/13073:
[ticket/13073] Remove _test suffix from common test class
[ticket/13073] Switch $input with $expected and add paths with letters
[ticket/13073] Use abstract class for controller helper route tests
[ticket/13073] Add path regex to get_preg_expression() and add unit tests
[ticket/13073] Use just one regex in helper route()
[ticket/13073] Properly place comments in helper
[ticket/13073] Use correct class names in test files
[ticket/13073] Rework route tests and add tests for more directory types
[ticket/13073] Test that routes from subfolders like /adm work
[ticket/13073] Add tests for routes from adm pages
[ticket/13073] Add phpbb root path with mod rewrite enabled for proper routes
* hanakin/ticket/12598:
[ticket/12598] Fix sir typo
[ticket/12598] Fix rtl positon in header
[ticket/12598] Remove right border
[ticket/12598] Remove border from .search-header
[ticket/12598] Replace #search-box with class
[ticket/12598] Remove hover border-color and use hover icon
[ticket/12598] Add some responsive margin to give breathing room
[ticket/12598] Clean up unused link colors
[ticket/12598] Remove unused link colors
[ticket/12598] Add lt IE9 fixes
[ticket/12598] Improve search box styling
[ticket/12961] Add link in anti-spam ACP page which links directly to captchas in titania
* PayBas/ticket/12961:
[ticket/12961] Shorten ext-db link text
[ticket/12961] Fix missing phpBB.com
[ticket/12961] Remove target="_blank" and switch to <strong>
[ticket/12961] Add additional link to the KB
[ticket/12961] Move link to language file
[ticket/12961] Refactor lang entry
[ticket/12961] Change url to anti-spam-ext
[ticket/12961] Change url to https://www.phpbb.com/go/anti-spam/
[ticket/12961] Add link in anti-spam ACP page to titania
[ticket/12963] Revert back to "migrations" folder name for extensions
* nickvergessen/ticket/12963:
[ticket/12963] Always use core_path and core_directory()
[ticket/12963] Remove old migration/ folder from tests
[ticket/12963] Revert back to "migrations" folder name for extensions
[ticket/12963] Correctly load migration files from migration/ in tests as well
* nickvergessen/ticket/12963:
[ticket/12963] Correctly load migration files from migration/ in tests as well