* Add dependency and set library path
- php5-sqlite (needed)
- add an empty calibre library
- set the library dir to that empty library in config
* Update remove script
* Update backup/restore scripts
* Set the admin user according to installation choice
* Use admin home dir for storing the calibre library
* Fix calibre library permissions
* Fix#4
Co-authored-by: Luc Didry <luc@framasoft.org>
