Add unit test
Change testacular to karma
Chnage angularjs version to 1.0.6

[Error when running e2e tests with karma instead of testacular 0.6.1 · Issue #470 · karma-runner/karma](https://github.com/karma-runner/karma/issues/470)
Modify to pass e2e test
JUnit形式のXMLレポートの出力設定を追加
Merge branch 'angularjs'
Merge branch 'master' of github.com:kenichiro22/play-samples