Code review changes.
Port de.waldheinz.fs.exfat back into JNode (https://code.google.com/p/fat32-lib/ rev 5e34cb7eb178).
Expose some more exFAT details.
Fix a bug reading exFAT file data.
Add in support for FAT-12.
Allow FAT directories to iterate over deleted child entries.
Merge branch 'hfs' of https://github.com/flesire/jnode into hfs
Fix merge errors