ASM now with moar powah!
copied jack+vm+asm & grid code to 13
fixed shebang
Wired up build
Fixed integration issues. Got some params backwards. I could have
fixed it in the assembler too, but this seems better pushed upstream.
Rewrote VM compiler in racket.
Merge branch 'master' into zenspider/ch13

* master:
  Finish compiler for Seven/Main.jack
  Prime Ch11 based on Ch10 parser
  Finish parser / XML emitter for ArrayTest/Main.jack This completes Ch10
  Finish parser / XML emitter for Square/SquareGame.jack
  Finish parser / XML emitter for Square/Square.jack
  Finish parser / XML emitter for Square/Main.jack
  Finish parser / XML emitter for ExpressionlessSquare/SquareGame.jack
  Finish parser / XML emitter for ExpressionlessSquare/Square.jack
  Finish parser / XML output for ExpressionlessSquare/Main.jack