[fix] erase namespace using in ner.
Merge pull request #82 from ruoshui1126/personal

revise otcws-customized conf
[add] new namespace framework to extract common code, erase executable in examples.
[revise] changelog, news and readme for new release.
[revise] model version number
[fix] do not include the release model process in the cmdline model to more precisely measure time.
revise train conf item