dropped unnecessary guzzle config from config.
upped drupal core version to 7.30

fixes #6.
Merge pull request #19 from ucsf-drupal/core_update

upped drupal core version to 7.30
bumped version number to 7.x-1.1

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added changelog

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Update CHANGELOG.txt

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Update CHANGELOG.txt

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added omitted closed issue to changelog

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