Fixed Bug #428216: "Update alert does not use a proper emdash"
Merge branch 'master' of git://github.com/andymatuschak/Sparkle

Conflicts:
	en.lproj/Sparkle.strings
Merge branch 'master' of git://github.com/andymatuschak/Sparkle
Set development region to English
Merge branch 'master' of git://github.com/andymatuschak/Sparkle
Merge branch 'master' into sam/sandboxing