#18 UI freezes while updating homebrew formulas or packages
Merge pull request #37 from abrausch/master

#18 UI freezes while updating homebrew formulas or packages
Merge pull request #36 from maximgavrilov/master

‘Latest Version’ column in Outdated view. Fixied bug #23 and proposal #34
perform doctor call by dispatch_async, not NSBlockOperation (same as https://github.com/abrausch/Cakebrew/commit/e749e63e38d69f64e098162d52430e12208b7aa1 )