Add initial version of blacklist mercurial extension for use to exclude
and manage known bad changesets from mercurial repositories.
https://developer.symbian.org/oss/API_REF/SHAI/
https://developer.symbian.org/sfl/API_REF/Public_API/epoc32/
https://developer.symbian.org/oss/MCL/utilities
https://developer.symbian.org/sfl/FCL/interim/auxiliary_tools/AgileBrowser
https://developer.symbian.org/sfl/FCL/interim/auxiliary_tools/EUserHL
https://developer.symbian.org/sfl/FCL/interim/auxiliary_tools/route_generator
https://developer.symbian.org/sfl/FCL/interim/auxiliary_tools/simulation_PSY
https://developer.symbian.org/sfl/FCL/interim/desktopsw
https://developer.symbian.org/oss/FCL/interim/QEMU
https://developer.symbian.org/oss/FCL/interim/contrib/WidgetExamples
https://developer.symbian.org/oss/FCL/interim/fbf/bootstrap
https://developer.symbian.org/oss/FCL/interim/fbf/configs/default
https://developer.symbian.org/oss/FCL/interim/fbf/configs/pkgbuild
https://developer.symbian.org/oss/FCL/interim/fbf/projects/packages
https://developer.symbian.org/oss/FCL/interim/fbf/projects/platforms