Merge pull request #27 from yaegashi/gen-refactor

Code generator refactoring

Merge pull request #21 from yaegashi/wtz

Integrate wtz.go in cmd/msgraph-me

Merge pull request #12 from yaegashi/pr-v0.1.2

v0.1.2

Merge pull request #10 from yaegashi/update-v0.1.1

Update v0.1.1

Merge pull request #4 from yaegashi/msgraph-me

Update sample and metadata