Add OmniGraffle
Merge pull request #736 from NanoXD/OmniGraffle

Add OmniGraffle Cask
Add OmniOutliner cask
Merge pull request #737 from NanoXD/OmniOutliner

Add OmniOutliner cask
Add Porthole cask
Merge pull request #738 from NanoXD/Porthole

Add Porthole cask