completes issue #15 and almost completes issue #41

frontend/android/assets/glassy/raw/BlueSquare.png

frontend/android/assets/glassy/raw/PauseBackground.jpg

frontend/android/assets/glassy/raw/PauseButton.png

...d/core/src/com/gameware/game/sprites/ColorRushButton.java

...d/core/src/com/gameware/game/sprites/ColorRushTarget.java

frontend/core/src/com/gameware/game/sprites/PauseButton.java

frontend/core/src/com/gameware/game/sprites/PauseCircle.java

...end/core/src/com/gameware/game/states/ColorRushState.java

frontend/core/src/com/gameware/game/states/PauseState.java