Big update, see description!

==Modifications made to Unity project==

Added rest of the bricks // Prefabbin' and stuff.
Corrected size of brick images, also corrected proportions - now
100x100.

==Modification made to Falling.cs==
Added temp. left and right movement. (To left and right key)
Added temp. rotate. (To up key)
Added temp. soft drop. (To down key)
Now the controlled brick only can collide with something under it.
-BUG- You can push to bricks, this needs fixing!