Implemented expand/collapse of nodes, used GitHub syntax highlighting.
Implemented expand/collapse of nodes, used GitHub syntax highlighting.


Former-commit-id: de590393d6f8b7921ff05e5aa274e04513b97cba
Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide