Fix #723 "IE7: Navigation boxes around arrows not tall enough"
Fix #721 "IE7: Navbar is too high"
Fix #722 "IE7: Wizard: too much space in TOC"
Fix #727 "IE7: Unbalanced padding with input fields"
Fix #728 "IE7: Bootstrap add-on misaligned"
Minor: don't underline links in navigation
Fix #729 "IE7: Grid cell content not top-aligned"
Fix #730 "IE7: fr:box-select too wide"
Fix #731 "IE7: Upload control too wide"
IE7: Adjust height of fr:box-select