+ Mainly changes asked for by Swami last meeting; see below.
+ Difficulty levels now a factor of 10
+ Timer centered and smaller
+ Courier new font for tokens on LHS and RHS
+ Solid line instead of dotted on LHS for missing tokens
+ Difficulty scale images high res
+ Line numbers added to LHS
+ Output panel coloring is now basic green color
minor clean fixes:
 - In NetBeans' scheme, identifier is black and char/string literal is (206, 123,0)
 - Info is blue, error message is red.
print output on seperate line
Merge pull request #117 from Tokanagrammar/gui3

+ Mainly changes asked for by Swami last meeting; see below.