Merge pull request #17 from Harvard-University-iCommons/develop

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Merge pull request #26 from Harvard-University-iCommons/develop

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Merge pull request #27 from Harvard-University-iCommons/develop

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Merge pull request #28 from Harvard-University-iCommons/develop

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Merge branch 'master' of github.com:Harvard-University-iCommons/icommon_ext_tools
added '/' to url