Added tag version_1.0.0-rc1 for changeset 501d47d3ce3a

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branch : stable
updated JekyllImporter.php

Updated JekyllImporter.php to use Symfony\Component\Yaml\Yaml::parse() instead of load()
Merged with default.

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branch : stable
Updated CHANGELOG.

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branch : stable
Added tag version_1.0.0-rc2 for changeset dbcd55f61a16

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branch : stable
Merged changes.

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branch : stable
Updated CHANGELOG.

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branch : stable
Merged with stable.