[Bug 884802] Fixing list pages for consistent layout + removing bootstrap and making fixes to accomodate for that removal.

See [Bug 884802](https://bugzilla.mozilla.org/show_bug.cgi?id=884802) for reference.

This also will remove any reference to bootstrap and applies sandstone styles to various items. Placing comment in [Bug 891513](https://bugzilla.mozilla.org/show_bug.cgi?id=891513) to track progress on bootstrap removal.