SAML20::HTTPRedirect::validateQuery - return false if validation is disabled.
SAML20::HTTPRedirect::validateQuery - return false if validation is disabled.

If true is returned a logline saying "valid signature found" will logged. When false is returned nothing is logged about signatures. 

git-svn-id: a243b28a2a52d65555a829a95c8c333076d39ae1@181 44740490-163a-0410-bde0-09ae8108e29a

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