Ranger Fitness performance update

Fix to share feature

Under the cover revision

* Added back button

* Fixed minor problems with iOS13

* Now includes Special Forces Nutritional Guide for free!
* Updated for compatibility with iOS 10 and above.
* Improved usability and sharing.

* Improved search and navigation
* Cleaner and faster interface
* Support for iPhone 6 and iPhone 6 Plus

* Improved navigation
* Bug fixes
* Search term highlighting

iOS6 and iPhone 5
The app now supports iOS6 and also the new screen size on the iPhone 5.

Add-On Store
Ability to purchase add-on content within the application.  First add-ons is the Special Operations Forces Nutrition Guide.

Printing
Now you can print a single calculator or the whole calculator tape to any AirPrint printer.

Improved Email
In addition to the standard email, you may now send any calculator or the whole calculator tape as a PDF file attached to an email.

Improved Navigation
Favorites can now also show the list of your most used calculators and those most recently used.

* Support for iPad retina display
* Improved page turning and performance
* Built-in calculator