fix: better error messages when an incorrect make engine is specified. Requires that all make engine variants should extend "make_engine".
component build_metadata
source \src\tools\dev\build\build_info\build_metadata
source \src\tools\dev\build\package_definition.xml
source \src\tools\dev\build\distribution.policy.s60
notes_source \component_defs\release.src
ipr T