Comment
Adding AST traversal
Merging
Merge branch 'Clementine' of https://github.com/ClementineB/Cocoon into Neha

Conflicts:
	ast/SyntaxTreeImpl.java
Creating a ReservedLeaf class for key words
Merge branch 'Clementine' into ramzi
fixed for running on mac, started cg dir
Merge branch 'Clementine' of github.com:ClementineB/Cocoon into ramzi
testing stuff
Symbol Table Changes
ST Changes
Mapping node values to generate proper JMagick*** code
Working on Code Generation.

So far:
  - Generator traverses nodes in-order.
  - Generates code for the first line of grayscale.silk

Errors
  - Duplicates code for each entry
  - Doesn't have any semicolons yet
Merge branch 'Neha' of https://github.com/ClementineB/Cocoon into Clementine
generating correct code for first line!
merged with Nehas stuff
fixed issues with compilation
Update AST
preprocessor changes
preprocessor changes