lalinference_pipe: only write dax if requested
Merge branch 'master' of ligo-vcs.phys.uwm.edu:/usr/local/git/lalsuite

Conflicts:
	lalapps/src/inspiral/posterior/lalinference_pipe.in
ComputeFStatistic_v2: no longer compare against CFSv1

- Instead, compare against reference results for
  testCFSv2.sh and testGridv2.sh tests
- Refs #1281