Basic structure of `toccfs' implemented.
Merge branch 'master' into toccfs-initial
Basic operations, readdir and getattr are implemented. But have problems.

When user list the files, `getattr' calls for each path element. If it finds
more than one file, it assumes that the specified path is a directory. Which
not always correct.
issue60 : find an empty id instead of incrementing ids
test file
Issue18: API - Unassign tags
Issue18: CLI - unassign tags
Merge branch 'issue60' of https://github.com/hlyassine/tocc into yassine-issue60

Issue #60 and Pull Request #64
Autoconf/Autotool scripts added.
Merge branch 'toccfs-initial'

Initial structure of `toccfs'. It's usable, but needs some works.