MAC OSX AND IOS TUTORIAL LINKS
1. http://www.raywenderlich.com/17811/how-to-make-a-simple-mac-app-on-os-x-10-7-tutorial-part-13
How to Make a Simple Mac App on OS X 10.7 Tutorial: Part 2/3
How to Make a Simple Mac App on OS X 10.7 Tutorial: Part 3/3
2. https://developer.apple.com/library/mac/referencelibrary/GettingStarted/RoadMapOSX/books/RM_YourFirstApp_Mac/Articles/Introduction.html