fix a warning
Fix stop by removing the `name` args from stop.
ignore a few more files
Some tests around service.

+ Add tests for the service script
+ Check that jvm_opts are set in the file
+ Fix naming issue that caused `jvm_opts` to be ignored
Fix for `es.path.home` not getting set.

Fix the name of the attribute in the default attributes...
copy/paste error.  Add a test for it.