Give fsfuse_ops more sensible name.
Rename fsfuse_ops to filesystem_methods.

Also include headers in a more sane way.
Move fuse_methods public header up a level and don't include with a path.
Move indexnode files to their own dir.
Namespace these makefile vars, cause make is horrid.
More sparing inclusion of indexnode headers.
Pull proto-indexnode init code out so it can be shared.
More de-duping of (proto_)indexnode new()s and delete()s