More flags for metrics, to allow easier skipping#13

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karenetheridge wants to merge 3 commits intodaxim:masterfrom

karenetheridge:topic/more_flags_on_metrics

Commits on Jul 18, 2013

new metric flag "needs_tarball", for tests that only work when we have a dist.tar.gz to work with
karenetheridge
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new metric flag "no_build", for tests that only work before we build the dist
karenetheridge
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Commits on Jul 25, 2013

spelling fix
karenetheridge
committed