* Valid HTML;
* Added image dimensions;
* Added message to leave image alternate text always empty;
* Valid HTML;
* Consistency;
* Valid HTML;
* Removed unneeded mustache if;
* Used HTML entity for copyright symbol;
* Valid HTML;
* Consistency;
* Valid HTML;
* Consistency;
* Valid HTML;
* Consistency;
Merge branch 'hci' of https://github.com/jerone/OpenUserJS.org into hci
Differ from flagged listings;
Moved empty list message to controllers;
Better flagged headings. Improves https://github.com/OpenUserJs/OpenUserJS.org/pull/171
Revert ampersand entities in URLs;
* Valid HTML;
* Consistency;
* Consistency;
* Removed one unused variable;
Consistency;
Consistency;
Add an announcements discussion category listed on the homepage.

Change "Posts" <th> to "Replies".
Prep for moving /:category to /forum/:category
Use favicon express middleware. Closes #184.
Consistency;
Merge pull request #179 from jerone/issue-178

Differ from flagged listings; Fixes https://github.com/OpenUserJs/OpenUserJS.org/issues/178