Fix two IE issues.

Summary: 1) Borders were appearing on inputs not as expected. 2) the SWF container was always displayed at the bottom of every page load (long time issue). There are more issues, but this fixes the 2 largest for right now.

Test Plan: Tested Maniphest create page.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D5867