Optimised Images
Added clearfix mixin and list reset mixin
Added example map images for templates. Can be removed once functional.
Added template files for Counties and Constituencies
Added CSS for Aspirant lists.
Added CSS for election area pages
Merge branch 'master' of ssh://git.mysociety.org/data/git/public/mzalendo
Import new SCSS files
Add a datamigration to set 'place' for Aspirant President positions

This is important so that we can deal with all aspirants connected
with a place in a consistent way - we walk up the hierarchy of
place to the country level, so it's natural to include presidential
aspirants at that level in the same way.  This datamigration only
makes this change if the COUNTRY_APP is set to 'kenya'.
Aspirant page responsive improvement

Change from margin to padding to space aspirants, used negative margins on container to override and line up correctly on the edges
Merge branch 'master' of ssh://git.mysociety.org/data/git/public/mzalendo
Added height on aspirant list items for Coalition

Added another two lines to the height (40px, 20px line height)
Removed margin on P within list
Set cache header times to 0 seconds with DEBUG
Use the database name as a cache key prefix

This isn't critical at the moment, but a good idea in general.
Add a site wide banner with link to polling station finder, and use the IEBC gadget. Closes #472
Change search placeholder text to be more descriptive of what can be searched for. Part of #502
Allow the model to suggest a better name for autocompletes, and include the object type as well.
Show a little thumbnail in autocomplete results. Closes 502
Add a method to detect when parliamentary sessions overlap
Update Django to 1.3.5 - closes #408