Resolve XCode 8+9 warnings#124

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ahmedb wants to merge 4 commits intoMarxon13:masterfrom

Commits on Jun 16, 2017

* Applied XCode 8.3.2's suggested updates
Ahmed Bakir
committed
* Resolved Documentation Warning
Ahmed Bakir
committed

Commits on Sep 27, 2017

* Resolved XCode9 update warnings
Ahmed Bakir
committed
* Added missing app icons
Ahmed Bakir
committed