[appserver-io-dist/debian] Update does not work on Debian Jessie

[wick-ed]

Currently an update to any new 1.1.0 Beta build does result in following error message:

D000010: ensure_pathname_nonexisting '/usr.dpkg-tmp'
D000010: ensure_pathname_nonexisting '/usr/sbin.dpkg-tmp'
D000010: ensure_pathname_nonexisting '/usr/sbin/appserverctl.dpkg-tmp'
D000010: ensure_pathname_nonexisting '/opt/appserver/vendor/appserver-io/webserver/tests/AppserverIo/WebServer/_files/modules/rewrite/html/symlink.html.dpkg-tmp'
D000010: ensure_pathname_nonexisting '/opt/appserver/vendor/bin/doctrine.dpkg-tmp'
D000010: ensure_pathname_nonexisting '/opt/appserver/vendor/bin/doctrine-dbal.dpkg-tmp'
D000010: ensure_pathname_nonexisting '/opt/appserver/vendor/bin/doctrine.php.dpkg-tmp'
D000010: ensure_pathname_nonexisting '/opt/appserver/vendor/bin/uuid.dpkg-tmp'
D000010: ensure_pathname_nonexisting '/var/lib/dpkg/tmp.ci'
D000010: ensure_pathname_nonexisting running rm -rf '/var/lib/dpkg/tmp.ci'
D000010: ensure_pathname_nonexisting '/var/lib/dpkg/reassemble.deb'
D000001: process queue pkg appserver-dist:amd64 queue.len 0 progress 1, try 1
D000040: checking dependencies of appserver-dist:amd64 (- <none>)
D000400:   checking group ...
D000400:     checking possibility  -> appserver-runtime
D000400:       checking non-provided pkg appserver-runtime:amd64
D000400:       is installed, ok and found
D000400:     found 3
D000400:   found 3 matched 0 possfixbytrig -
D000040: ok 2 msgs >><<
D000040:     checking Breaks
appserver-dist (1.1.0-23+beta5) wird eingerichtet ...
D000001: deferred_configure updating conffiles
D000200: conffderef in='/opt/appserver/etc/appserver/appserver.xml' current working='/opt/appserver/etc/appserver/appserver.xml'
D000020: conffderef in='/opt/appserver/etc/appserver/appserver.xml' result='/opt/appserver/etc/appserver/appserver.xml'
D000020: deferred_configure '/opt/appserver/etc/appserver/appserver.xml' (= '/opt/appserver/etc/appserver/appserver.xml') useredited=1 distedited=0 what=2
D000200: conffderef in='/opt/appserver/etc/appserver/conf.d/context.xml' current working='/opt/appserver/etc/appserver/conf.d/context.xml'
D000020: conffderef in='/opt/appserver/etc/appserver/conf.d/context.xml' result='/opt/appserver/etc/appserver/conf.d/context.xml'
D000020: deferred_configure '/opt/appserver/etc/appserver/conf.d/context.xml' (= '/opt/appserver/etc/appserver/conf.d/context.xml') useredited=-1 distedited=-1 what=2
D000200: conffderef in='/opt/appserver/etc/appserver/conf.d/virtual-hosts.xml' current working='/opt/appserver/etc/appserver/conf.d/virtual-hosts.xml'
D000020: conffderef in='/opt/appserver/etc/appserver/conf.d/virtual-hosts.xml' result='/opt/appserver/etc/appserver/conf.d/virtual-hosts.xml'
D000020: deferred_configure '/opt/appserver/etc/appserver/conf.d/virtual-hosts.xml' (= '/opt/appserver/etc/appserver/conf.d/virtual-hosts.xml') useredited=1 distedited=0 what=2
D000002: fork/exec /var/lib/dpkg/info/appserver-dist.postinst ( configure 1.1.0-19.beta4 )
dpkg: Fehler beim Bearbeiten des Paketes appserver-dist (--install):
 Unterprozess installiertes post-installation-Skript gab den Fehlerwert 3 zurück
D000001: ensure_diversions: same, skipping
Fehler traten auf beim Bearbeiten von:
 appserver-dist
DEBCONF_DEBUG=developer dpkg -D777 -i   10,68s user 12,28s system 12% cpu 3:11,12 total

[zelgerj]

fixed postinst script with https://github.com/appserver-io-dist/debian/tree/6adfdb010d0fb34f1eebf407e0687fcbb06d8092