Make sure reload re extracts eZ Publish

Usefull for being able to do a reload if you want to isntal a different eZ Publish file.

This only makes sure cache is cleared though, it does not delete the whole var/www folder.
So this is probably not be enough for all use cases.
Implement support for installing from locale file

Use case is to install from an archve you have locally, which is usally
the case for enterprise downloads but also over the years you often keep
some older versions around which you need to test something in from time
to time.
Bump module version to 0.0.6