make rustsrc - added makefile target to generate HTML for the main rust source tree
fixed makefile error
change makefile to use  RUST_PATH instead of RUST/RUST_SRC, to match main rust tools
fixed for 0.8 compiler .. ctxt_ -> ty::ctxt, t_opaque refs removed, posix::Path::new(),   macros as a feature, to_u64().unwrap()
added common import
Fixed a lot of problems, now working on API changes
Compiling against master once more\!
Merge pull request #14 from MarkJr94/update_merge

Updates the code to compile sucessfully against mozilla/rust master!