Various bug fixes

Various bug fixes and performance improvements

Change: The bonus 'To Arms!' Campaign is now available to all players without requiring an email registration.
Fix: Some sound effects not playing following the last update.

Fix: A critical issue displaying the curved loss meters after the previous graphics update.
Change: A reduction in the download size.

Add: Support for the Metal graphics system on all Apple devices, improving graphics performance.
Add: Weapon animations.
Change: Improved A.I. opponent.
Fix: Missing some mount dismount button options.
Fix: Some screen layout issues.
Fix: Invalid font selection on some buttons.
Fix: Some projectile animations not displaying.

Fix: An issue with some load/reload animations not displaying. This could give the impression that a unit was not firing.

Change: Improved A.I. opponent.
Fix: Some screen layout issues.
Fix: Invalid font selection on some buttons on some platforms.
Fix: Some projectile animations not displaying.
Fix: The in-game player message were sometimes cropped at the left edge of the screen.
Change: Update the play balance in some scenarios.

Improved: The AI has received some updates.
Change: Some UI updates.

Change: Updated save and load screen.

Fix: Units may sometimes have been unable to attack adjacent enemy huts or tents unless charging.
Change: When a general ends alone in a hex adjacent to an enemy, after enemy shooting, it now evades if possible, or is destroyed.
Fix: Some units were not getting their shock combat bonus in a charge combat.
Fix: Some time flank attacks provided no benefit in combat.
Fix: A rare crash which could occur after charging.

Add: New 8 Scenario iAP 'Terror Campaign'.

Fix: Some line of sight issues from high hill hexes across lower hill hexes.

Fix: Light Infantry can now move through other units and other units can move through Light Infantry.

Fix: Skirmish units can once again enter buildings.

Change: Some UI updates.
Change: Reduced the length of some melee and shoot animations.

Fix: Minor bug fixes.

Fix: Some issues locking/unlocking some In-App purchases.

Fix: Issue with units forming squares randomly.

Fix: Minor bug issue with some iAPs not working correctly

Fix: Issues with the restore button not working as expected.

Fix: Could crash while loading on iPhone Xr.
Change: iPhone and iPad: Major improvement to the map zoom feature (use two finger pinch to zoom in/out).
Changed: iPhone and iPad: The game is now optimised to used all the available screen space at the best screen resolution for each device.
- One some newer devices the game image was stretched.
- On some newer devices the game had a black border.
Note: An update is in development to better support the space around the 'notch' and the curved displays on iPhone X, Xr and Xs models.
Change: Game performance is much faster and graphical execution smoother.
Add: The ability to unlock all scenarios in the settings menu.
Add: A Change speed option in settings. This has three options standard, slow and fast which effects how fast the game plays.

Add: A whole new way to play, 'Historical Mode'. This is now an option on starting a new mission.
Add: Change log for all updates in the latest edition of the game.
Add: Change log to the help menu.

Fixes issues to be compatible with iOS 9

Fixed missing icons.