[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/14460] Use the selected language with AJAX requests as well
* CHItA/ticket/14460:
[ticket/14460] Use the selected language with AJAX requests as well
[ticket/14312] Enable running database update only
* CHItA/ticket/14312:
[ticket/14312] Allow updating without having the update directory
[ticket/14312] Push migration error messages to the user
* prep-release-3.2.0-b1:
[prep-release-3.2.0-b1] Add changelog for 3.2.0-b1
[ticket/14453] Add missing dependency in the text_reparser migration
[ticket/14452] Define $progressFillerText in installer.js
[prep-release-3.2.0-b1] Add migration for 3.2.0-b1
[prep-release-3.2.0-b1] Update language help files
[prep-release-3.2.0-b1] Add schema.json
[prep-release-3.2.0-b1] Update version to 3.2.0-b1
[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.