Changed building of tools targets so that it builds the targets listed in ${sf.spec.sbs.tools.config}, in sequence,
rather than just buildng tools2_rel.whatlog followed by tools_rel.whatlog, regardless of the property.
TRUST LEVEL 5 MACHINE v800026.*
TRUST LEVEL 5 MACHINE v800005.*
TRUST LEVEL 5 MACHINE sym-build01.*
TRUST LEVEL 5 MACHINE sym-build02.*
TRUST LEVEL 5 MACHINE lon-engbuild87.*
TRUST LEVEL 5 MACHINE lon-engbuild89.*
TRUST LEVEL 5 MACHINE c100725.*
TRUST LEVEL 5 MACHINE c100726.*
TRUST LEVEL 5 MACHINE UK-BRENDAND.*
TRUST LEVEL 5 MACHINE v800017.*