tests: makextreemfs test uses Github unstable tarball instead of Google Code SVN now (not available anymore)
tests: makextreemfs test uses Github unstable tarball instead of Google Code SVN now (not available anymore)

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