Add default props file for tip_bulk_s3

Add package model generation for tip_bulk_s3

change baseline for symbian^4 package builds back to symbian4_FCL.single.725 as 812 is winscw only :(

Upadate baseline for symbian^4 package builds to use symbian4_FCL.single.814

Added XML Services BC test suite

Fix default value in build.xml when parsing sf.spec.sbs.tools.config.

Modified hlm_prep_package to accept sources.csv file as parameter

Implemented package tests

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.

Made the generation of the syncing scripts more regular, and ensured that it all works and makes sense even when sf.spec.sourcesync.enable is false.

Updated PDK baseline for S^3 platform builds to newly released PDK_3.0.1

Added tag PDK_3.0.1 for changeset 70d88996e8cd

Sorted steps into targets, so it's easier to interpret the console output.

Made better use of fmpp constructs when filtering units and specfifying default options. Removed '/'s that don't belong in the output.

Regularised whitespace.