Modified to work with wx 2.9, which is much nicer on a retina mac
Removed some deprecated methods when using wx 2.9
Moved group below title

It makes sense for the title to receive initial focus but then when
entering text tabing between fields you never get to the group.
Fix default focus with wx 2.9

For some reason on init the set focus is not working with wx 2.9 rather
it goes to the first element built, so I simply reordered things.
Merge tkuhlman/master