rename application, change from bot to app, change tests
add engine, add new test
add new version and tests
fix device type
Merge pull request #429 from mimmi20/issue-427

Fixes #427
Merge pull request #428 from mimmi20/issue-426

Fixes #426
Merge branch 'master' of https://github.com/browscap/browscap into json-output-preprocessed