travis: guarded scripts to only run when coverity scan is not active
travis: guarded scripts to only run when coverity scan is not active

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