* Add back "Resize to window" link.
* Add Z shortcut for resize to window link (mnemonic: Z for zoom image).
* Resize images to screen width by default on both desktop and mobile.
* Make it so that notes are nested directly inside the .image-container
element with the image, instead of inside a separate .note-container
element. This means .image-container and .note-container are now the
same element. This is so that the size of the .note-container is
driven by the size of the image, which ensures that notes are
automatically resized as the image is resized.
Change #image-container and #note-container from IDs to classes. This is
necessary so that we can use one container element for both the image
container and the note container. This may break custom CSS and
userscripts.
* Fix og:site to og:site_name.
* Fix open graph properties to use <meta property="...">, not <meta name="...">>
* Set og:type, og:site_name, twitter:site globally (not just on post pages).
* Set og:url.
* Remove unused always-resize-images, report-server <meta> tags from
post show pages.
* Fix inconsistencies in how wiki pages were linked.
* Link directly to the wiki instead of to a title search that is expected
to redirect to the wiki.
* Factor out common sidebar layout template.
* Convert wiki pages and posts to use this template.
* Add data-layout attribute to <body> element indicating the current layout.
Certain parts of comment rendering triggered sql queries that we didn't
really need to do. Rework things to avoid this.
* Preload comment creators in order to display commenter names with link_to_user.
* Preload comment votes in order to display "undo vote" links. Only preload
votes for members since anonymous users can't vote and don't have "undo
vote" links.
* Rework various conditionals to do the filtering in Ruby so that we
avoid issuing any extra queries in sql.
* Avoid issuing any queries at all when the post doesn't have any
comments (when last_commented_at is blank).
Changes:
* Drop Users.id_to_name.
* Don't cache Users.name_to_id.
* Replace calls to name_to_id with find_by_name when possible.
* Don't autodefine creator_name in belongs_to_creator.
* Don't autodefine updater_name in belongs_to_updater.
* Instead manually define creator_name / updater_name only on models that need
to return these fields in the api.
id_to_name was cached to reduce the impact of N+1 query patterns in
certain places, especially in api responses that return creator_name /
updater_name fields. But it still meant we were doing N calls to
memcache. Using `includes` to prefetch users avoids this N+1 pattern.
name_to_id had no need be cached, it was never used in any performance-
sensitive contexts.
Avoiding caching also avoids the need to keep these caches consistent.
Refactor tag_list_html, split_tag_list_html, and inline_tag_list_html to
take the `show_extra_links` and `current_query` options explicitly,
rather than implicitly relying on CurrentUser or taking `params[:tags]`
from the template.