Fixed init order in SingleView iOS projects

This is the same fix that was already applied to the Empty iOS projects.
Merge pull request #625 from fabiogaragiola/master

Fixed initialisation order in SingleView iOS projects
Workable fix for #550: Range expressions behaving badly.
Added Default-568h.png file

This file is included in the C# project templates but missing in the F#
ones. It allows to automatically resize the app window to fill the
iPhone 5 screen.
Updated iOS template files for Default-568h.png

iOS and Universal projects now include the Default-568h@2x.png file in
the Resources folder.
Merge pull request #627 from rojepp/550

Workable fix for #550: Range expressions behaving badly.
Merge pull request #628 from fabiogaragiola/master

Added Default-568h.png file and fixed iOS templates