Merge pull request #29 from magicTetrisCMPT381/Da

Item change
Added items.
Changed effect.
Changed name.
Method for test added
Changed name to MagicCleaner
Modified to adapt items.
Resource for FlashBang.
Merge pull request #30 from magicTetrisCMPT381/Da

Da
Used absolute layout.
Resource resized to 32*32.
Images updated. Fuck MS paint.
Added exchange item.
Restored to gridBagLayout.
Changed Atom to BOMB
Added Odd Item.
Player now has odd item, not atom.
Changed item sequence
Changed key setting method. Now use an enum.
optionPanel now check duplicate keys.
Player could get item if he clear 4 lines.
Player's speed will increase 0.2 when player's score increased each 1000
points
Score modifier based on speed is added: each 0.2 for additional 100
points.
Player control now holds a KeySettings for itself.