Added wiki annotate view. It's accessible for each version from the page history view.

Slight style change: pre-wrap added on file/diff contents.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1020 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/fixtures/wiki_content_versions.yml

@@ -4,7 +4,7 @@ wiki_content_versions_001:
   page_id: 1
   id: 1
   version: 1
-  author_id: 1
+  author_id: 2
   comments: Page creation
   wiki_content_id: 1
   compression: ""