Fixes and UI-Changes:

- Swap Recent Sessions and Recent Projects
- Fix tooltip error
- Change column width ratio in develop screen from 50/50 to 40/60
- reapply fix for off-by-one pixel error in the tab widget

Change-Id: Ibbcea66262723fed1a54ac63b735bc25241d1846
Reviewed-on: http://codereview.qt.nokia.com/1891


Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Daniel Molkentin <daniel.molkentin@nokia.com>