Add support for south migrations
Improving ALMG Collector

Get Legislator data: site, email, about, gender and date of birth
Fix entry with emails field but no addresses
Add month-by-month view to the per nature page
Add cache setup to the sample settings
Kludge to only show month by month graphs for natures of houses that are selected
Fix usage of deprecated module
Add table of top suppliers on the detailed legislator view
Fix some indentation/alignment
Go back to showing a single institution or all

We haven't managed to figure out a good way of showing multiple institutions in
an easy to grasp way, and this is causing more grief and confusion than being helpful,
so go back to showing a single institution at a time (while keeping 'all' viable).

This change migrates the per nature view to the old new model.
Convert remaining views
Refactor main views to allow selecting institution
Add some vertical spacing so it looks better when cols get stacked
Normalize nature names for CMBH, since they broke it
Remove left-over css rules
Move content page links to the left
Use nav instead of div and use the regular coloring
Add date range information to the header bar
Restrict custom sort handling to tables using our sortable th tag
Improve all expenses view with datatables