1.5.0

NOTE: Only the automatic instrumentation libraries underwent changes between 1.4.1 and 1.50. The manual instrumentation library (Datadog.Trace) remained at 1.4.1.

Changes since 1.4.1:

• ASP.NET Core integration
  • new root span created by Microsoft.AspNetCore.Http.HttpContext integration (#427)
  • fix http status code (#427)
• CLR Profiler
  • several internal changes to improve stability