Merge pull request #247 from forumbyr/master

fix bug: invalid media type return 415.
Merge pull request #248 from wade1012/dev

add conformanceDaoTest
fix bug: Basic authentication header 'Basic ' is case insensitive
Merge pull request #249 from forumbyr/master

fix bug: Basic authentication header 'Basic ' is case insensitive
Merge pull request #5 from cnnic/dev

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