Fix devenv: re-categorized rake tests
run singleton tests even if some suites failed
Fixing required package detection
Merge pull request #112 from bparees/continue_on_fail

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Merge pull request #113 from danmcp/master

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Fixing retry logic
Merge pull request #111 from pravisankar/dev/ravi/reorder-rake-tests

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Fixing retry bug
Merge pull request #114 from danmcp/master

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Removing os specific logic from tests
Merge pull request #115 from danmcp/master

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