Move the files from /u/ to /users/, so that people can actually see that

part of the webpage again.

menu.xml

@@ -5,7 +5,7 @@
  <menuitem title="Docs" icon="docs" href="/docs/"/>
  <menuitem title="Gallery" icon="gallery" href="/gallery/"/>
  <menuitem title="Office" icon="office" href="/office/"/>
- <menuitem title="Users" icon="users" href="/u/"/>
+ <menuitem title="Users" icon="users" href="/users/"/>
  <menuitem title="Clubs" icon="clubs" href="/clubs/"/>
  <menuitem title="Stats" icon="stats" href="/stats/"/>
 </menudefs>