Added snippet support to core
Added snippet support to java and junit
Style fix
Merge pull request #1 from guardian/javaSnippetGenerator

Java snippet generator
Clarifying test intention
https://github.com/cucumber/cucumber-jvm/pull/561#pullrequestreviewcomment-5321728
Merge pull request #2 from guardian/javaSnippetGenerator

Clarifying test intention
Code review fixes
Merge pull request #3 from guardian/javaSnippetGenerator

Code review fixes
Merge branch 'master' of github.com:guardian/cucumber-jvm into guardian-master
Refactored --snippet option. Closes #561, #302