Updated release notes generation:
Added copyright message
Proper command line parsing
Usage message if inputs are not right
Added explanatory preamble to output
"NEW" FCLs are marked as such
Merge changesets are included in output
https://developer.symbian.org/oss/API_REF/SHAI/
https://developer.symbian.org/oss/FCL/examples/app/NPR/
https://developer.symbian.org/sfl/API_REF/Public_API/epoc32/
https://developer.symbian.org/oss/FCL/interim/auxiliary_tools/AgileBrowser
https://developer.symbian.org/oss/FCL/interim/auxiliary_tools/route_generator
https://developer.symbian.org/oss/FCL/interim/auxiliary_tools/simulation_PSY
https://developer.symbian.org/sfl/FCL/interim/desktopsw