[ticket/14462] Try to prevent timeouts in the installer
* CHItA/ticket/14462:
[ticket/14462] Not show timeout messages in convertors
[ticket/14462] Make timeout error translateable
[ticket/14462] Update ordering in install db config
[ticket/14462] Fix comments
[ticket/14462] Fix tests
[ticket/14462] Fix CS and typo
[ticket/14462] Set instance of db driver for database access using global
[ticket/14462] Fix installation in tests
[ticket/14462] Refactor tasks to be more modular
[ticket/14462] Further speed improvements
[ticket/14434] Allow non-migration files inside migrations folder (continued)
* VSEphpbb/ticket/14434:
[ticket/14434] Refactored to check migrations when setting them
[ticket/14434] Check migrations in the database updater task
[ticket/14434] Do not include non-migrations in CLI list
[ticket/14434] Remove redundant conditional
[ticket/14434] Fix whitespace mistakes
[ticket/14434] Remove recursion to simplify is_migration method
[ticket/14434] Extract migration check to a reusable method
[ticket/14434] Schema generator should ignore migration helpers
[ticket/14442] Use Goutte 2.0 for functional tests
* marc1706/ticket/14442:
[ticket/14442] Use get_content() in functional test case
[ticket/14442] Properly set plupload header
[ticket/14442] Use get_content() in plupload functional tests
[ticket/14442] Use Goutte 2.0 instead of outdated 1.0
[ticket/13733] Allow non-migration files inside migrations folder
* marc1706/ticket/13733:
[ticket/13733] Remove validate_classes method argument
[ticket/13733] Make sure migration classes always have same order in tests
[ticket/13733] Properly test setting validate_classes to false/true
[ticket/13733] Use interface for migratinos
[ticket/13733] Update comment explaining migration class validation
[ticket/13733] Add isInstantiable() check.
[ticket/13733] Braces on their own lines
[ticket/13733] Allow tests the skip class validation
[ticket/13733] Properly handle nonexistent classes as well
[ticket/13733] Handle nonexistent classes as well
[ticket/13733] Only use migration classes that extension the base migration class.
Tests that the textarea's content is preserved, that no "http://"
is added to the text or to the preview's HTML and that the www
URL is linkified
PHPBB3-10628
