calibration_parts.py:  no longer need to remove initial samples in line subtraction function, since lal_matrixsolver solves that problem.

Set_caps seems to be executed *after* start, so in the previous commit audio_info will not be updated before the safety check and stumbles there. After this fix things seem to be going, and a sane value for chisq is obtained.

- this code is how we rank candidates.  do not remove it.

- move files into a gstlal/ directory so that header files can be
  #include'ed using paths that will work inside and outside the source tree

in working state

update Makefile.gstlal_feature_extractor_online to produce a separate kafka dag targetted at dedicated nodesw

gstlal_kafka_dag: remove explicit accounting user/group information and use --condor-command only for consistency

gstlal_ll_inspiral_pipe: add analysis-tag option to name dag, update Makefile.online_analysis to take in analysis tag, update min-instrument job

This reverts commit 41609ecd

gstlal_ll_inspiral_pipe: add analysis-tag option to name dag, update Makefile.online_analysis to take in analysis tag, update min-instrument job

gstlal_ll_feature_extractor_pipe: remove kafka/zookeeper jobs, update feature extraction options to take in psd-fft-length

- port XML trigger table reading function to ezligolw

- move functions that are only used by gstlal_burst_triggergen.c into that plugin as static functions.

- upgrade to newer autotools script

update gstlal_ll_dq, gstlal_ll_inspiral_aggregator to work with API change in ligo-scald introduced in 0.2

- was using LIGO_SEGMENTS_VERSION instead of GLUE_VERSION to decide when to
  print the warning about a too-old glue version