Fix bad flow on proposal review page.

Add a <hr> after the end of the project long description, which provides
both a convenient (and consistent) place to add a clear:both.   Make all
<hr> clear:both always, because we almost never don't want that.

Also tweak some padding.

BUG=https://code.google.com/p/soc/issues/detail?id=2576

Change-Id: Icce33cf95c65d821185a6cf9ed34d76a16065251
2 files changed