[+] Reticule sprite added with controls [AW]

[+] Reticule spriteUV added
[+] Reticule textureInfo added
[+] Reticule controls added and implemented for user input
[+] Reticule sprite cannot exit screen width and height boundaries
[+] Reticule Texture added for Gun class [AW]

[+] Reticule texture created and added to texture folder
[+] Bullet Class added [AW]

[+] Bullet sprite added
[+] Bullet texture info added
[+] Bullets reset when exiting screen width and height boundaries
[+] When Bullet fired, position and trajectory calculated using unit
vector which is added to position
[+] Ship health system implemented [AW]

[+] Ships death upon health reaching 0
[+] When Ships respawn health reset
[+] Bullets implemented into AppMain [AW]

[+] Bullet/Ship collisions implemented, takes off ship health, bullet
resets
[+] Controls for firing Bullets added for user input