new version of jsconsole:
- upgrade to codemirror 3
- implement jshint for js editor with dynamic globals (jshint version of fmaul)
- new json output view (with validation of jsonlint and formatting)
- new performancestats module (for javascript and freemarker processing)
- better error handling (mark the errors in the appropriate line for javascript and freemarker)
- theme support for codemirror (integrates all available themes)
- new autocomplete module of codemirror integrated