Merge pull request #247 from forumbyr/master

fix bug: invalid media type return 415.
add conformanceDaoTest
modify ns test bug
Merge pull request #248 from wade1012/dev

add conformanceDaoTest
Merge pull request #249 from forumbyr/master

fix bug: Basic authentication header 'Basic ' is case insensitive
fix bug: domain/ns NFKC problem
Merge remote-tracking branch 'cnnic/dev'