Remove old stylesheet.
Don't include old Alaveteli css files.
Include CSS from the asset pipeline
WiP: add theme assets in assets/stylesheets
WiP: rename the top level SCSS file to theme.scss
Base header HTML from @Jedidiah
Remove unused markup
Move lang switcher to partial.
Base version of language switcher

Still to do:

Add flag images
JS for pulldown
Change top element to span
Set viewport in head
Move mysociety link to orglink partial.
Make most links go somewhere.

Still to do:

Login link in wrong place and needs to show new content when logged in.
Email updates doesn't link anywhere because we don't have content for it
yet.
Add flags as assets, point HTML at them.
Add links when logged in.

TODO Needs further markup to appear in right place.
Cleaned up theme.scss and remove settings file for now whil we are putting the base styles in
Update logo filename
Restore id on nav bar search element.

Without it, it interferes with other search boxes with id 'search' that
appear - e.g. on select_authorities.
Includes the request module in the WDTK theme
Add new footer markup.
First version of new structure of request page

TODO:
Request status image
Profile photo
Update status box.