applicationinsights 2.1.9

on Node.js Yarn

#867 Handle JSON stringify errors
#866 Allowing internal logs to be stored in local file
#863 Only enable http Agent when calling Breeze
#861 Generate correlation context for dependencies with no request associated
#860 Fix issue with exception telemetry not being generated for Bunyan errors
#859 Prevent CorrelationIdManager to block process termination
#858 Check for clients in auto instrumentation subs
#857 Statsbeat only send feature metrics when available
#855 File protection check for disk storage only when enabled
#854 SDK prevents app crash in Linux Azure App Services
#850 Adding context to custom metrics sent for Statsbeat