Team 3 Sprint 3

Changes: -altered bullet color and size to make more visible -lightened tile map New additions: -crates for power ups that player just needs to touch to collect -player can see number of power ups collected in the top left corner and can use them by pressing space bar -additional level with new tile map and "new level" button -Level 1 would likely be "tutorial level" Bugs: -power up should increase speed of player sprite but not working -trouble implementing countdown timer for power up -need to...