Update for latest iOS version

Machining app.

- Fixed Machining Time in Metric for Milling
- Fixed Cut Time Display for Drilling

- Fixed crash in Machining Parameters page
- Optimized table display in Thread Size Chat, Drill Size Chat and CNC Codes

- Fixed display issue when launching app in landscape mode
 - Other minor improvements

- Optimized table display
- Fixed selector font issue
- Fixed screenshot low quality issue
- Fixed crash caused by using email function without setting up an account

- Minor bug fix

- Scroll issue in the Machining Parameters page fixed

- Large screen supported

- Minor issue in overlapping buttons in iOS 6 and earlier

- few bugs fixed

- Save the last values of each textfields
- few minor issues fixed

- Bugs fixed for iOS 6 in showing the tables in landscape and portrait mode

- More cutting speed and feed rate data for different materials added (Plain Steel, stainless, Cast Metal, Titanium, ...)
- G-Code and M-Codes list added
- Equations and Formula for machining added to each page for Turning, Milling, and Drilling
- Few minor bugs fixed