Improved diagnostic output: when the build fails because a package cannot be cloned into the build drive, it says which package and the repo source and destination.
Improved caching logic, so that it doesn't depend on network availability as much.
Improved indentation.
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.*