fixed double to float conversion
allowed ship to move during countdown, clamped ship movement to the screen, increased ship speed
removed unneeded includes from the ImageButtonControl and changed it to extend PressableControl, rather than ButtonControl
added a TiledIcon renderer to display the player lives, as well as put it into the player dialog to render player lives
corrected positioning of the player lives bar, and moved the ship up to account for the larger player health/lives bar