windowPerformance: add docs with metrics metadata (#224)
requestsMonitor: add docs with metrics metadata

Document events as well
Document events emitted by phantomas core
Script for generating metadata.json
Improve @desc detection
assetsTypes / timeToFirst: add metadata
Support @optional marker
ajaxRequests / alerts / cacheHits / caching

Add metadata
analyzeCss: add metadata
requestsStats / staticAssets: add metadata
redirects: add metadata
javaScriptBottlenecks / jserrors / localStorage

Add metadata
Check if offenders are reported for this metric
Generate a simple JSON file
generate.js: include docs for setMetricEvaluate()
console / cookies: add metrics metadata
Better detection of numeric metrics
domComplexity / domQueries / domains

Add metrics metadata
eventListeners / globalVariables / headers

Add metrics metadata
jQuery / javaScriptBottlenecks

Add metrics metadata