Add paver script that will replace our current build.sh from scripts folder.
Add paver script that will replace our current build.sh from scripts folder.

Until I update the wiki to describe how this new paver build script works I'm leaving the old one in the repository.

Reviewed by: Pawel Solyga

--HG--
extra : rebase_source : 78e68fcda34ade468b9c83b9d5411095a0449c0c

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