Bug 1070001 reorg wikiedit

Renamed classes to make them more modular:
- documents -> document-list
- deleted move-decendatnts-list and changed elements to use document-list
- move-lookup-link -> parent-suggest-link
- contributor-sub -> contributors->sub
- choice-list -> revision-list-head
- revision-list -> revision-list-contain
- compare -> revision-list-controls
- various changes to more granualr class names inside revision-list
- action -> title-prefix
- kumascript-errors -> kserrors
- kumascript-details -> kserrors-details
- kumascript-detail-toggle -> kserrors-details-toggle

Move Page:
- changed title to match style of create/edit/translate pages
- removed move-decendatnts-list and changed occurances to document-list

Everything else was done to decrease specificity and redundancy, or move declarations into their own files for maintainability.

Wasn't sure what to do with the broadly defined elements declared at the beginning of wiki-edit so they're just hanging out there for now.
Would <code>cite</code> be a better semantic fit? From MDN:

<blockquote cite="https://developer.mozilla.org/en-US/docs/Web/HTML/Element/em">
Typically [the &lt;em&gt; element] is displayed in italic type. However, it should not be used simply to apply italic styling; use the CSS styling for that purpose. Use the &lt;cite&gt; element to mark the title of a work (book, play, song, etc.); it is also typically styled with italic type, but carries different meaning.
</blockquote>

Cite can be used for web pages, too. (Emphasis mine.)

<blockquote cite="https://developer.mozilla.org/en-US/docs/Web/HTML/Element/cite">
A creative work may include a book, a paper, an essay, a poem, a score, a song, a script, a film, a TV show, a game, a sculpture, a painting, a theater production, a play, an opera, a musical, an exhibition, a legal case report, a computer program, a web site, <em>a web page</em>, a blog post or comment, a forum post or comment, a tweet, a written or oral statement, etc.</blockquote>