modify offline workflow to generate Makefile templates, removing need for separate repo

gstlal-inspiral/bin/gstlal_inspiral_workflow

gstlal-inspiral/bin/gstlal_ll_inspiral_workflow

gstlal-inspiral/configure.ac

gstlal-inspiral/python/Makefile.am

gstlal-inspiral/python/config/inspiral.py

gstlal-inspiral/python/workflows/Makefile.am

gstlal-inspiral/python/workflows/__init__.py

gstlal-inspiral/python/workflows/templates/Makefile.am

...kflows/templates/Makefile.offline_inspiral_gwosc_template

gstlal-inspiral/python/workflows/templates/__init__.py

gstlal/bin/gstlal_fake_frames_workflow

gstlal/bin/gstlal_psd_workflow

gstlal/configure.ac

gstlal/python/Makefile.am

gstlal/python/config/__init__.py

gstlal/python/workflows/Makefile.am

gstlal/python/workflows/__init__.py

gstlal/python/workflows/templates/Makefile.am

gstlal/python/workflows/templates/__init__.py