Better menu control for everything pre-Honeycomb + More

Someone else submitted a push ( https://github.com/k9mail/k-9/pull/321 ) which I wasn't too happy about since it reverts the menu icons to the ugly pre-holo icons which just makes the UI even more inconsistent. I can't stand when apps do that, so I've patched things myself so that everything pre-Honeycomb will get a much nicer (and consistent) settings menu.

While I was working on getting the menu to function how I wanted I also fixed up some of the icons which weren't the right colours. I've also upgraded the contact picture to what's seen in ICS and up.