Work over spacing.
Align votes for/against in proposal list.
Revert layout change to "New Proposal" button.
Revert larger spacing between header and content.
Restrict changes to voting display to the proposal list.
Use padding instead of width to create space.
Use px instead of em.
Merge pull request #306 from wawe/spacing

Multiple changes to spacing/alignment
Remove superfluous arrow from "New Proposal" button.