Support for setxattr and statfs implementation so that Finder is able to copy files to fuse mount (free disk space).
oops, forgot an ifdef
fixed another issue on non apple platforms
fixed unicode issues
exposed statfs as handler, updated jsonFS example with setxattr and statfs handlers
added extra arguments for mount options
fixed some issues after codereview
Merge pull request #8 from elwerene/master

Support for setxattr and statfs, unicode filenames