PLINK-143: saml2 attribute value nested element
Merge pull request #120 from anilsaldhana/master

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PLINK-44: STS parsing should not choke on ws-p 1.5 tags
Merge pull request #121 from anilsaldhana/master

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Merge branch 'custom-identity-stores'
[PLINK-141] - Small changes to some the test cases.