[p2-dev] Engine API work

[Simon Kaegi <Simon_Kaegi@xxxxxxxxxx>]

I've checked in the packaging changes that are likely to cause the most grief. I'm still doing a few other changes but they are more minor at least in terms of files changed. I've also inclosed my patches for PDE.
-Simon
(See attached file: pde-ui-patch.txt)(See attached file: pde-core-patch.txt)(See attached file: pde-build-patch.txt)

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