Merge pull request #4887 from benjiwheeler/maintenance-revise

revise maintenance page to be 3.0 styled, update download links

static/svgs/comment.svg

+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="20" height="20" xmlns:v="https://vecta.io/nano"><defs><path d="M16 2a2 2 0 0 1 2 2v10a2 2 0 0 1-2 2H9c-1 1-3.5 2.5-4 2-.469-.469-.059-.937-.005-1.818L5 16H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h12zm-4 8H6a1 1 0 1 0 0 2h6a1 1 0 1 0 0-2h0zm2-4H6a1 1 0 1 0 0 2h8a1 1 0 1 0 0-2h0z" id="A"/></defs><use fill="#fff" xlink:href="#A" fill-rule="evenodd"/></svg>
\ No newline at end of file

static/svgs/extensions/android-grey.svg

+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"  fill="#575e75" xmlns:v="https://vecta.io/nano"><path d="M3.3 6.5c-.3 0-.6.1-.9.4s-.4.5-.4.8v5.2c0 .3.1.6.4.9.2.2.5.4.9.4.3 0 .6-.1.9-.4.2-.2.4-.5.4-.9V7.7c0-.3-.1-.6-.4-.9s-.6-.3-.9-.3zm9.9-4.7L14 .3c.1-.1 0-.2-.1-.2s-.2 0-.2.1l-.9 1.6c-.8-.3-1.6-.5-2.4-.5s-1.7.2-2.4.5L7.2.1C7.1 0 7.1 0 7 0c-.1.1-.2.2-.1.3l.9 1.6c-.9.4-1.6 1-2.1 1.8s-.8 1.6-.8 2.6H16c0-.9-.3-1.8-.8-2.6s-1.2-1.4-2-1.9zM8.3 4.1c-.1.1-.2.2-.4.2-.1 0-.2 0-.3-.1-.1-.2-.1-.3-.1-.4s0-.2.1-.3.2-.1.3-.1.2 0 .3.1.1.2.1.3c.1.1.1.2 0 .3zm5 0c-.1.1-.2.1-.3.1s-.2 0-.3-.1-.1-.2-.1-.3 0-.2.1-.3.2-.1.3-.1.2 0 .3.1.1.2.1.3c.1.1 0 .2-.1.3zM5 14.7c0 .4.1.7.4.9.2.3.5.4.9.4h.9v2.7c0 .3.1.6.4.9s.5.4.8.4.6-.1.9-.4.4-.5.4-.9V16h1.7v2.7c0 .3.1.6.4.9.2.2.5.4.9.4.3 0 .6-.1.9-.4.2-.2.4-.5.4-.9V16h.9c.4 0 .7-.1.9-.4.3-.3.4-.6.4-.9v-8H5v8zm12.7-8.2c-.3 0-.6.1-.9.4-.2.2-.4.5-.4.9V13c0 .3.1.6.4.9.2.2.5.4.9.4.3 0 .6-.1.9-.4.2-.2.4-.5.4-.9V7.7c0-.3-.1-.6-.4-.9-.3-.2-.6-.3-.9-.3z"/></svg>
\ No newline at end of file

static/svgs/extensions/chromeos-grey.svg

+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"  fill-rule="evenodd" fill="#575e75" xmlns:v="https://vecta.io/nano"><path d="M2 9.5c0-.3.1-.6.1-.9.2-1.1.6-2 1.2-2.9l.1-.1.6 1L6.6 11c0 .1.1.1.1.2.8 1.9 2.9 2.8 4.7 1.9 0 0 .1 0 .1-.1 0 .1-.1.1-.1.2l-2.6 4.4c-.1.1-.1.1-.2.1-3.1-.4-5.6-2.7-6.4-5.9-.1-.4-.1-.8-.2-1.2V9.5zM9.5 18c0-.1 0-.1.1-.2l3.4-5.9c1-1.7.6-3.6-1-4.8l-.1-.1h5.3c.1 0 .2 0 .2.2.3.7.4 1.4.5 2.2v1.2a7.53 7.53 0 0 1-1.3 3.8c-1.3 1.9-3 3-5.2 3.5-.3 0-.6.1-.9.1h-1zm1-16c.4.1.8.1 1.1.2 2.4.5 4.2 1.9 5.4 4.1 0 .1.1.1.1.2h-7c-1.5 0-2.6.6-3.3 1.9-.2.4-.3.8-.3 1.3-.1-.1-.1-.1-.1-.2L3.8 5.2c-.1-.1-.1-.2 0-.3C5.2 3.3 6.9 2.3 9 2.1c.2-.1.4-.1.5-.1h1z"/><path d="M7 10c0-1.7 1.3-3 3-3a3.01 3.01 0 0 1 3 3c0 1.7-1.3 3-3 3a3.01 3.01 0 0 1-3-3"/></svg>
\ No newline at end of file

static/svgs/extensions/mac-grey.svg

+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"  xmlns:v="https://vecta.io/nano"><path d="M12.4 3.8c-.6.8-1.6 1.3-2.5 1.2-.2-1 .3-2 .8-2.7.6-.7 1.7-1.3 2.6-1.3.1 1-.4 2.1-.9 2.8zm2.7 7.9c.3.7 1.2 1.7 1.9 2 0 .1-.1.2-.1.2h0c-.2.6-.8 1.7-1.1 2.2-.7 1.1-1.5 2.1-2.6 2.2-1.2 0-1.5-.7-2.8-.7s-1.7.7-2.8.7c-1.1.1-2-1.1-2.7-2.2h0c-.4-.6-.9-1.7-1.1-2.2h0c-.2-.5-.5-1.6-.5-2.2h0C3 11.2 3 10 3 9.6h0c.1-.7.4-1.8.7-2.2h0a4.2 4.2 0 0 1 3.4-2.2h.2c1.1-.1 2.1.8 2.8.7.7 0 2-.9 3.2-.8 1.2 0 2.4.6 3.2 1.7-.2.1-.5.4-.6.5h0c-.5.3-1.1 1.3-1.2 2.2h0c-.1.8.1 1.7.4 2.2h0z" fill-rule="evenodd" fill="#575e75"/></svg>
\ No newline at end of file

static/svgs/extensions/windows-grey.svg

+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"  xmlns:v="https://vecta.io/nano"><path d="M3 5l5.7-.8v5.5L3 9.8V5zm5.7 5.4v5.5L3 15.1v-4.8l5.7.1zm.7-6.3L17 3v6.7H9.4V4.1zm7.6 6.3V17l-7.6-1v-5.6H17z" fill="#575e75"/></svg>
\ No newline at end of file

static/svgs/reload.svg

+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="24" height="24" xmlns:v="https://vecta.io/nano"><defs><path d="M22.642 10.244c.203.888-.583 1.674-1.484 1.484l-6.835-1.509c-.964-.203-1.319-1.395-.621-2.092l1.522-1.522c-2.701-2.118-6.607-1.94-9.08.534-2.674 2.674-2.676 7.038 0 9.713s7.039 2.674 9.713 0a1.56 1.56 0 0 1 2.206 0c.621.621.623 1.609.013 2.219-3.906 3.906-10.246 3.906-14.151 0-3.893-3.893-3.906-10.246 0-14.151 3.703-3.703 9.613-3.881 13.531-.547l1.598-1.598c.697-.697 1.889-.342 2.092.621l1.496 6.847z" id="A"/></defs><use fill="#fff" xlink:href="#A" fill-rule="evenodd"/></svg>
\ No newline at end of file