ligo-cbc/pycbc: Post-O2 Production Release 2

This is the second post-O2 release of PyCBC for analysis of data taken during Advanced LIGO's second observing run and Advanced Virgo's first observing run. This release has been tested against LALSuite with the hash: 95ad957cee1a37b7fc3128883d8b723556f9ec38 This release updates PyCBC to use lalsuite 95ad957. It also deprecates the installation of PyLAL in the PyCBC environment. Detector calibration adjustment is now enabled in the PyCBC parameter estimation codes. Details of the changes since the last release are at https://github.com/ligo-cbc/pycbc/compare/v1.8.0...v1.8.1 A Docker container for this release is available from the pycbc/pycbc-el7 repository on Docker Hub be downloaded using the command: docker pull pycbc/pycbc-el7:v1.8.1 On a machine with CVMFS installed, a pre-built virtual environment is available for Red Hat 7 compatible operating systems by running the command: source /cvmfs/oasis.opensciencegrid.org/ligo/sw/pycbc/x86_64_rhel_7/virtualenv/pycbc-v1.8.1/bin/activate and for Debian 8 compatible operating systems by running the command: source /cvmfs/oasis.opensciencegrid.org/ligo/sw/pycbc/x86_64_deb_8/virtualenv/pycbc-v1.8.1/bin/activate A bundled pycbc_inspiral executable for use on the Open Science Grid is available at /cvmfs/oasis.opensciencegrid.org/ligo/sw/pycbc/x86_64_rhel_6/bundle/v1.8.1/pycbc_inspira