made reset command revert line width and color to default
user can now turn grid on and off by typing "gridON" or "gridOFF", respectively.
merged master into housekeeping branch
added jquery ui to enable dialogue
updated housekeeping branch with master
Merge pull request #26 from gopher-snakes-2013/housekeeping

User is now able to turn grid on and off. Reset now reverts line width and color to default