Update wiki pages

* Properly name columns in Pages and History views
* Link to Authors
* Make views more consistent

app/views/wikis/history.html.haml

 %h3.page_title
   %span.cgray History for
-  = @wikis.last.title
+  = @wiki_pages.first.title
 %br
 %table
   %thead
     %tr
-      %th #
-      %th last edit
-      %th created by
+      %th Page version
+      %th Last updated
+      %th Updated by
   %tbody
-    - @wikis.each_with_index do |wiki_page, i|
+    - @wiki_pages.each_with_index do |wiki_page, i|
       %tr
-        %td= i + 1
         %td
-          = link_to wiki_page.created_at.to_s(:short), project_wiki_path(@project, wiki_page, old_page_id: wiki_page.id)
+          %strong
+            = link_to project_wiki_path(@project, wiki_page, version_id: wiki_page.id) do
+              Version
+              = @wiki_pages.count - i
+        %td
+          = wiki_page.created_at.to_s(:short)
           (#{time_ago_in_words(wiki_page.created_at)}
           ago)
-        %td= wiki_page.user.name
-
+        %td= link_to_member(@project, wiki_page.user)

app/views/wikis/pages.html.haml

@@ -4,15 +4,17 @@
   %thead
     %tr
       %th Title
-      %th slug
-      %th created by
+      %th Slug
+      %th Last updated
+      %th Updated by
   %tbody
-    - @wikis.each_with_index do |wiki_page, i|
+    - @wiki_pages.each do |wiki_page|
       %tr
         %td
-          = link_to wiki_page.title, project_wiki_path(@project, wiki_page)
-          (#{time_ago_in_words(wiki_page.created_at)}
-          ago)
+          %strong= link_to wiki_page.title, project_wiki_path(@project, wiki_page)
         %td= wiki_page.slug
-        %td= wiki_page.user.name
-
+        %td
+          = wiki_page.created_at.to_s(:short) do
+            (#{time_ago_in_words(wiki_page.created_at)}
+            ago)
+        %td= link_to_member(@project, wiki_page.user)

app/views/wikis/show.html.haml

@@ -15,4 +15,4 @@
     = preserve do
       = markdown @wiki.content
 
-%p.time Last edited by #{@wiki.user.name}, #{time_ago_in_words @wiki.created_at} ago
+%p.time Last edited by #{link_to_member @project, @wiki.user}, #{time_ago_in_words @wiki.created_at} ago