• [opentracing] ref: Removed opentracing package
• [integrations] feat: Add tracing integration
• [hub] feat: Add tracing related function to scope and hub (Scope.startSpan, Scope.setSpan, Hub.traceHeaders)
• [hub] feat: Add new function to Scope setContext
• [hub] feat: Add new function to Scope setTransaction
• [integrations] fix: Update ember integration to include original error in hint in beforeSend
• [integrations] fix: Ember/Vue fix integration