Makes /etc/default/jitsi-videobridge not world readable.
Merge remote-tracking branch 'upstream/master'
Changes PPID to PARENT_PID variable.
Removes unused /etc/default chmod command.
Adds a simple check for JVB_HOST.
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Fixes user rights in log folder and introduces a common jitsi group.
Fixes initial group jitsi and properly removes group jvb.
Fixes a typo in deleting jvb group.
Fixes a typo in /var/log/jitsi chown.
Fixes group rights on /var/log/jitsi/.
Merge pull request #39 from turint/master

Adds a check for JVB_HOST and fixes user and group rights on logs by adding a group 'jitsi'.