Merge branch 'b2oc_upgrade' into 'master'

...f/options/examples/b_to_open_charm/hlt2_b2oc_all_lines.py

Hlt/Hlt2Conf/options/sprucing/spruce_hlt2filter.py

...Hlt2Conf/python/Hlt2Conf/lines/b_to_open_charm/b_to_dd.py

...lt2Conf/python/Hlt2Conf/lines/b_to_open_charm/b_to_ddh.py

...Hlt2Conf/python/Hlt2Conf/lines/b_to_open_charm/b_to_dh.py

...lt2Conf/python/Hlt2Conf/lines/b_to_open_charm/b_to_dhh.py

...t2Conf/python/Hlt2Conf/lines/b_to_open_charm/b_to_dhhh.py

...lt2Conf/python/Hlt2Conf/lines/b_to_open_charm/b_to_dll.py

...2Conf/python/Hlt2Conf/lines/b_to_open_charm/b_to_dmunu.py

...Conf/python/Hlt2Conf/lines/b_to_open_charm/b_to_dx_ltu.py

...on/Hlt2Conf/lines/b_to_open_charm/bbaryon_to_cbaryon_h.py

...n/Hlt2Conf/lines/b_to_open_charm/bbaryon_to_cbaryon_hh.py

.../Hlt2Conf/lines/b_to_open_charm/bbaryon_to_cbaryon_hhh.py

...lt2Conf/lines/b_to_open_charm/bbaryon_to_lightbaryon_d.py

...t2Conf/lines/b_to_open_charm/bbaryon_to_lightbaryon_dh.py

...thon/Hlt2Conf/lines/b_to_open_charm/builders/b_builder.py

.../Hlt2Conf/lines/b_to_open_charm/builders/basic_builder.py

...lt2Conf/lines/b_to_open_charm/builders/cbaryon_builder.py

...thon/Hlt2Conf/lines/b_to_open_charm/builders/d_builder.py

...Hlt2Conf/python/Hlt2Conf/lines/b_to_open_charm/filters.py