[ticket/11924] Bring layout of events.md to one style

PHPBB3-11924
[ticket/11924] Add script to export events.md with wiki markup

PHPBB3-11924
[ticket/11924] Add version info of template events to events.md

PHPBB3-11924
[ticket/11924] Reduce unneccessary load

PHPBB3-11924
[ticket/11924] Add option to export php event list

PHPBB3-11924
[ticket/11924] Fix some minor issues with the php event docs

PHPBB3-11924
[ticket/11924] Remove duplicated code

PHPBB3-11924
[ticket/11924] Do not use globals :(

PHPBB3-11924
[ticket/11957] Viewport meta

PHPBB3-11957
[ticket/11957] Viewport meta for install_update_diff

PHPBB3-11957
[ticket/11957] Replace corner images with CSS3 corners

PHPBB3-11957
[ticket/11957] Remove menu toggle

PHPBB3-11957
[ticket/11957] Responsive layout and menu

PHPBB3-11957
[ticket/11957] Include admin.js in footer

Include admin.js in footer, swap .hasjs and .nojs

PHPBB3-11957
[ticket/11957] Enhance responsive nav with JS

PHPBB3-11957
[ticket/11957] Adjustments to ACP layout, menu and some elements

PHPBB3-11957
[ticket/11957] Use fixed width for sidebar

Use fixed width for sidebar and few minor fixes for other items

PHPBB3-11957
[ticket/11957] Responsive ACP tables

PHPBB3-11957
[ticket/11957] Remove IE6 hacks

PHPBB3-11957
[ticket/11957] Responsive jQuery popups

PHPBB3-11957