Merge pull request #12 from eddiekimosabe/clear_completed_row

Clear completed row
add land block function

-sets grid to position of block at bottom of grid
clean up variable names, commented out non functioning fill methods, clearbottom row now working
Merge pull request #13 from jpberry0623/land_blocks

Land blocks
Merge branch 'master' of https://github.com/woolly-bear-caterpillars-2014/Tetroggleable into design

Conflicts:
	tetroggleable/app/assets/javascripts/game.js