support for the new CK dashboards and other improvements

• added result.cfg to configure CK dashboards
• improved module:result to push results to CK dashboards
• improved module:dashboard to work with new CK dashboards
• improved module:wfe to work with new CK dashboards
• added module:ck-platform to work with cKnowledge.io platform (moved cbench functionality from the CK incubator to the CK module to work with cKnowledge.io dashboards directly)
• provided better support to work with CK modules as standard Python packages (see module:ck-platform as example)