MDL-43682 report_loglive Add renderers
MDL-43682 report_loglive Rewrite loglive reports to use new logging apis
MDL-43682 report_loglive Add ajax support for updating livelogs tagle
MDL-43682 report_loglive write behat tests for loglive
MDL-43682 report_loglive: Code cleanup and add proper todos