tests: XtreemFS nightly cron job: Added example command which has to be added to crontab.
tests: XtreemFS nightly cron job: Added example command which has to be added to crontab.

kleingeist/xtreemfs,harnesscloud/xtreemfs,rbaerzib/xtreemfs,stanik137/xtreemfs,jswrenn/xtreemfs,jswrenn/xtreemfs,jswrenn/xtreemfs,kleingeist/xtreemfs,rbaerzib/xtreemfs,stanik137/xtreemfs,harnesscloud/xtreemfs,stanik137/xtreemfs,stanik137/xtreemfs,kleingeist/xtreemfs,rbaerzib/xtreemfs,stanik137/xtreemfs,jswrenn/xtreemfs,kleingeist/xtreemfs,kleingeist/xtreemfs,harnesscloud/xtreemfs,harnesscloud/xtreemfs,rbaerzib/xtreemfs,stanik137/xtreemfs,kleingeist/xtreemfs,kleingeist/xtreemfs,harnesscloud/xtreemfs,jswrenn/xtreemfs,harnesscloud/xtreemfs,rbaerzib/xtreemfs,jswrenn/xtreemfs,rbaerzib/xtreemfs,jswrenn/xtreemfs,harnesscloud/xtreemfs,harnesscloud/xtreemfs,rbaerzib/xtreemfs,kleingeist/xtreemfs,jswrenn/xtreemfs,stanik137/xtreemfs,stanik137/xtreemfs,rbaerzib/xtreemfs