Merge pull request #15 from fluxroot/master

Add example EngineHandler
Converted to Gradle
Update gitignore
Knight.java: finished canMove(), involves issue #1
Merge pull request #16 from flackbash/master

implemented possible movements for Knight.
Knight.java: finished canMove(), involves issue #1
Add flux chess engine as dependency

flux gets included as git submodule and added to build.gradle.

Additionally added checkstyle.xml.
Merge branch 'master' of https://github.com/jubalh/jessy
Update README
Integrate EngineHandler