[ticket/14448] Use guzzle for remote files uploading
* marc1706/ticket/14448:
[ticket/14448] Correctly pass verify setting if available
[ticket/14448] Let user decide if remote upload certs should be checked
[ticket/14448] Add new vendor files and dirs to clean task
[ticket/14448] Do not try to test remote upload timeout
[ticket/14448] Remove no longer needed guzzle 3.9.3
[ticket/14448] Use GuzzleHttp and try to verify certs
[ticket/14448] Update composer.json and lock file for guzzlehttp
[ticket/14431] Remote avatar uploading
[ticket/14431] Remote avatar uploading
[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/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.
[ticket/14257] Reparse after update
* Elsensee/ticket/14257:
[ticket/14257] Add tests for reparser manager
[ticket/14257] Fix CLI reparser and set cron interval
[ticket/14257] Fix CLI error message
[ticket/14257] Fix phpdoc in CLI command
[ticket/14257] Add text_reparser manager
[ticket/14257] Use migrations instead of cron job for some reparsers
[ticket/14257] Fix lock acquire in CLI command
[ticket/14257] Fix if condition
[ticket/14257] Add reparse_lock to CLI command
[ticket/14257] Add cron tasks for reparsing text
