* upstream/develop: (259 commits)
[prep-release-3.0.11] Bumping version number for 3.0.11 final.
[feature/php-events] Fix doc of core.viewonline_overwrite_location
[feature/php-events] Fix doc of core.user_set_default_group
[feature/php-events] Fix doc of core.generate_smilies_after
[feature/php-events] Fix doc of core.delete_user_after
[feature/php-events] Fix doc of core.delete_user_before
[feature/php-events] Fix doc of core.update_username
[feature/php-events] Fix doc of core.memberlist_prepare_profile_data
[feature/php-events] Fix doc and position of viewonline_overwrite_location
[feature/php-events] Fix doc of core.viewtopic_get_post_data
[feature/php-events] Fix doc of core.viewtopic_cache_guest_data
[ticket/11061] Add the --dev flag to the composer instructions in README
[ticket/11060] Make sure pyrus can install everything on travis
[ticket/11059] Use https for the README logo
[feature/php-events] Fix acp_manage_forums_update_data_before and is_new_forum
[feature/php-events] Fix core.acp_manage_forums_update_data_after vars
[ticket/11032] fix language of error displayed
[ticket/11052] update search backend constructor everywhere
[ticket/11052] pass parametes to search construct while posting
[ticket/11054] Fixed $config var description
...
Conflicts:
phpBB/includes/cron/task/core/tidy_cache.php
phpBB/includes/cron/task/core/tidy_search.php