styling homepage table and sidebar

@tdooner - check the sidebar styling re. #144 

TODO: there are some placeholder numbers in the third column for candidate stats that need some attention -- See: assets/js/views/candidate.js lines 31-36

Oooh, I just changed the link destination for candidates... try

    <a href='<%= m.linkPath() %>'>

https://github.com/openoakland/opendisclosure/commit/bfc8f627847e9e8ecaa2b9b7b3a2b095c7fcbda6#diff-7d47c1302bcf0b4ba9c844d88f1d3138R2