Release 4.1.4

This release contains the following:

• fixes issue #70: Step "line" parameter returns blank
• fixes issue #68 https://github.com/webdriverio-community/wdio-cucumberjs-json-reporter/issues//71: Report contains a scenario with the type "feature"
• fixes issue #73: Handling of cjson:metadata relies on extension capability to be returned by remote end
• removed test-object reference