implemented MoveTroops (partially), added text-to-speech for city ui
text-to-speech mp3
Merge remote-tracking branch 'origin/master' into cityUI

Conflicts:
	Code/core/src/main/java/utm/csc492/diamondfire/DiamondFire.java
	Code/core/src/main/java/utm/csc492/diamondfire/algorithms/Speech.java
	Code/core/src/main/java/utm/csc492/diamondfire/screens/BattleScreen.java
Add Unit movements.
Add more speech stuff.
Add AI turns, and make the prototype playable.
Add everything before master merge
Merge remote-tracking branch 'origin/develop'

Conflicts:
	Code/core/src/main/java/utm/csc492/diamondfire/DiamondFire.java
	Code/core/src/main/java/utm/csc492/diamondfire/GameState.java
Updated battle screen to have the tap once for info, tap again to select.