reorganize files
move interpreter under js
Merge branch 'master' of https://github.com/zodiac/appspot-grading
add sin and cos
Merge branch 'master' of github.com:zodiac/appspot-grading
Added current-milliseconds primitive procedure
Merge branch 'master' of https://github.com/zodiac/appspot-grading
Pair.length() changed to Pair.length, by a clever hack
add some missed dependencies to 1-1, add standard transcedental functions
Merge branch 'master' of github.com:zodiac/appspot-grading
Added dotted parameter list support and fixed bugs
Dotted parameter list support
Merge branch 'master' of https://github.com/zodiac/appspot-grading

Conflicts:
	isicp/js/interpreter/scheme_worker.js
show scheme code currently beiing run
Cleaned up code
Merge branch 'master' of https://github.com/zodiac/appspot-grading
Cleaned up code
Merge branch 'master' of https://github.com/zodiac/appspot-grading
Added set! special form and tests for it
more markup, type checking to addDep, combine addDep and prompt