Refactored --snippet option. Closes #561, #302

Author: aslakhellesoy

src/main/java/cucumber/runtime/jruby/JRubyBackend.java

@@ -10,6 +10,7 @@
 import cucumber.runtime.UnreportedStepExecutor;
 import cucumber.runtime.io.Resource;
 import cucumber.runtime.io.ResourceLoader;
+import cucumber.runtime.snippets.FunctionNameSanitizer;
 import cucumber.runtime.snippets.SnippetGenerator;
 import gherkin.I18n;
 import gherkin.formatter.model.DataTableRow;
@@ -115,8 +116,8 @@ public void disposeWorld() {
     }
 
     @Override
-    public String getSnippet(Step step) {
-        return snippetGenerator.getSnippet(step);
+    public String getSnippet(Step step, FunctionNameSanitizer functionNameSanitizer) {
+        return snippetGenerator.getSnippet(step, functionNameSanitizer);
     }
 
     public void registerStepdef(RubyObject stepdefRunner) {