Moved logic out of BPHomeBrewViewController for installation & formulaOptions window
Marked BPHomebrewViewController with FormulaOptionsDelegate token
Add listing of tapped repositories
Implement untapping of home-brew repositories
Implement tapping of new homebrew repositories
New icon for repositories menu item
Applied binding and arrayController to reduce code and make it readable
Changed properties of installationWC to private
Removed KVO from InstallationWC(no longer necessary) and moved setup to awakefromnib
Changed switch for static dictionary to map window title
Added KVC collection operation and predicate to filter arrays
Moved recordTextView selectable property initialization to Interface builder
OptionsSheet now completes with block. Fixed bug in allOptions method of OptionFormulaSheet
Fixed pointer to constant -> now constant pointer
Fixed bug in installationOptions window: window hasn't received keyboard events (different runloop)
Merge pull request #80 from xhruso00/refactorFormulaInstall

Refactored code that was used for sheet
Performed merge from podgib-master.
Fixed bug in which Doctor tab would be selected instead of Update when clicking the Update Homebrew button.
Changed debug log warning message.