Pierrick Martin / gammalib

# Conflicts:
#	ChangeLog
#	NEWS
#	README.md
#	configure.ac
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#	doc/source/conf.py
#	inst/cta/src/GCTAResponseCache.cpp
#	sonar-project.properties

Includes:
- extract ontime from TIM in GCOMObservation
- set default usage for TIMs to "YES" and mode to "NORMAL"
- set GTIs in GCOMEventList on the basis of event times and ignore VISDAY, VISTIM, VIEDAY and VIETIM keywords
- add TIM and OADs to GCOMObservation::print()
- disable geocentre distance warnings in GCOMOads::read()
- put COMPTEL support functions in gammalib namespace

# Conflicts:
#	ChangeLog
#	NEWS
#	README.md

# Conflicts:
#	ChangeLog
#	NEWS
#	README.md
#	configure.ac
#	doc/Doxyfile
#	doc/source/admin/release_history/index.rst
#	doc/source/conf.py
#	sonar-project.properties

# Conflicts:
#	NEWS
#	README.md
#	configure.ac
#	doc/Doxyfile
#	doc/source/conf.py
#	sonar-project.properties

# Conflicts:
#	ChangeLog
#	NEWS
#	README.md
#	configure.ac
#	doc/Doxyfile
#	doc/source/admin/release_history/index.rst
#	doc/source/conf.py
#	sonar-project.properties

# Conflicts:
#	ChangeLog
#	NEWS
#	README.md
#	configure.ac
#	doc/Doxyfile
#	doc/source/admin/release_history/index.rst
#	doc/source/conf.py
#	inst/cta/src/GCTABackground3D.cpp
#	inst/cta/src/GCTASupport.cpp
#	inst/cta/src/GCTASupport.hpp
#	sonar-project.properties