- "part" needs to be part of $bibliolevel and not vice versa

- Old bug has been fixed; might as well take advantage of latest functionality/fixes.

- Thanks to Debbie Lawlor for most of the development work.

Conflicts:
	module/VuFind/sql/mysql.sql

# Conflicts:
#	build.xml
#	composer.json
#	config/vufind/config.ini
#	packages/DEBIAN/changelog
#	packages/DEBIAN/control

- As discussed on https://sourceforge.net/p/vufind/mailman/message/35002108/
- These changes won't break the previous behaviour, they will just introduce new alternative dependencies based on virtual packages that can either provide php5 or php7 / mysql or mariadb
- Note that explicit apache2 php module dependency is needed because currently the virtual package php5 depends on libapache2-mod-php5 but the virtual package php uses php7-fpm by default, so by making the libapache2-mod-php package need explicit we won't run into cases where the user installed php7-fpm or the virtual package php choose php7-fpm instead of the apache's one.
- Note: Installing vufind without libapache2-mod-php or libapache2-mod-php5 fails with an apache errors as it doesn't recognize vufind.conf, which uses php keywords.
- Please also note that the first package in the precedence order [libapache2-mod-php5] is already a dependency from php5, so this won't break previous functionality.