Suggest using Scala class in ScalaTemplates.md
fix problem with headers getting first 2 bytes dropped on some http client such as MS.net http client
Fix onHandlerNotFound not receiving requests modified by upstream filters
Merge pull request #2403 from mkiedys/doc

Suggest using Scala class in ScalaTemplates.md
Merge pull request #2276 from jkyamog/master

First 2 bytes of http headers getting dropped on some http client
Merge pull request #2231 from bbarkley/master

Fix onHandlerNotFound not receiving requests modified by upstream filter...