v19 brings in directory completion for binary commands such as cp, mv…

… and diff

Version wting#18 brings in a text db format for easy manual edition

* Make autojump XDG compliant

* Switch to single quotes for completion
* Fix jumpapplet
* OSX install fix

borked the tag name

Release wting#15 brings in

* A serious bugfix (ownership of database file)
* better code looks (mostly pep-8 compliante)
* and a number of minor improvements

fix shbang line so it will find python if not in /usr/bin

Release v13 is mainly a bug fix release, in particular,

it should fix a major database corruption bug which caused the
database to be cleared in some cases.

v12 brings:

* better support of removable media: non-existent directories are no longer immediately removed from the database
* respect people's home directories: try to put stuff in ~/.local/share/autojump when possible
* better installers
* ...and of course, the usual bug fixes!

make the completion separator configurable

typo in documentation