v1.5.0: Merge pull request #1 from spasdk/develop

• fix remove event emitting on component removal
• correct return for show/hide on failure
• remove docs directory from npm package publishing
• add jsdoc dependency
• remove docs directory from eslint checks
• correct contribution info
• set documentation generation path to match GitHub Pages path
• add node 7/8 for testing
• update dependencies
• reformat/correct DEVELOP checks