* phpbb/develop:
[ticket/11867] Schema files are not created by create_schema_files.php
[ticket/11905] 3.1.0-a1 Migration
[ticket/11903] Speed up paging test
[ticket/11703] Extend the correct migration class.
[ticket/11874] Correct when $phpbb_root_path is appended to build_url()
[ticket/11703] Also use empty() for T_JQUERY_LINK.
[ticket/11703] Add effectively_installed().
[ticket/11703] Make jQuery CDN switch more generic.
[ticket/11874] Fix tests
[ticket/11874] Do not always prepend the web path; only replace phpbb_root_path
[ticket/11345] Don't include scheme, so HTTPS is used where necessary.
[ticket/11345] Wrap remote webfonts in S_ALLOW_CDN.
[ticket/11345] Move css import to template
[ticket/11345] Add Droid Sans as fallback font
[ticket/11345] Change font for buttons