Add cron script to work around Openshift autovacuuming bug.

Bug: https://bugzilla.redhat.com/show_bug.cgi?id=849428
Merge remote-tracking branch 'upstream/master'
Add sphinx startup script

Try a more intelligent way to re-start searchd if it is not already
running. Furthermore also add the delta index so search
actually finds new entries.
Merge pull request #11 from maru-sama/sphinx-fix

Add sphinx startup script
Merge pull request #10 from bilderbuchi/master

Add forced vacuum to cron to work around failing autovacuum on OpenShift