Fix to share feature

Under the cover revision

Updated a few images.

* Added back button

* Fixed minor problems with iOS13

* Special Forces Nutritional Guide now free!
* Compatible with iOS 10
* Uses iOS standard sharing

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

* iOS7 compatibility
* Bug fixes

Fixed bug in in app purchases.

* Easier and faster navigation between pages and chapters.
* Fixed bugs in both content and the app.
* Search term highlighting

Add-On Store - Ability to purchase add-on packs within the application.  First add-on available is 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 page as a PDF file attached to an email.

Improved Navigation - To help you find the page you are looking for, Favorites can now also show the list of your most used pages and those most recently used.

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

* Improved navigation
* Improved exercise search
* Added muscle group exercise lists.

* New user interface
* New color images
* Now with over 220 exercises.
* Over 90 movies
* Over 20 calculators

* Changed format of videos to work on older iPod Touch 1g as well as newer devices.

* Added over 25 minutes of workout video!

* Minor bug fixes with iPad version.

* Support for both iPad as well as iPhone and iTouch
* Improved search engine and navigation

Five new chapters with over 250 additional pages on nutrition and energy needed for physical fitness.

* Improved full text search
* Improved scrolling and memory management
* Minor content clean up