Release 0.0.4

Small adjustment, use alpine as a docker image.

Third release

Refactoring release :

• Go 1.6
• Urfave
• Travis CI

Second release after review

refact(dao): change dao Upsert signature to remove mgo dependency

refact(model): fix model JSON annotation for age
fix(test): fix statistics test for expected request count
refact(web): refactor web server in a separate file and main entry point
feat(test): add full web server test
chores(test): add benchmarking target and instruction

Initial release

First release for ch'feir share hands on go.