Merge remote-tracking branch 'origin/pr/2455' into development

* origin/pr/2455:
  change .gitignore line endings to UNIX
  Update ChangeLog
  mention .gitignore changes in ChangeLog
  add Visual Studio filters to .gitignore
  update .gitignore to include Visual Studio artifacts
diff --git a/ChangeLog b/ChangeLog
index a61ed19..5970e7c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -108,6 +108,17 @@
    * Add a Dockerfile and helper scripts (all-in-docker.sh, basic-in-docker.sh,
      docker-env.sh) to simplify running test suites on a Linux host. Contributed
      by Peter Kolbus (Garmin).
+   * Enable building of Mbed TLS as a CMake subproject. Suggested and fixed by
+     Ashley Duncan in #2609.
+   * Add `reproducible` option to `ssl_client2` and `ssl_server2` to enable
+     test runs without variability. Contributed by Philippe Antoine (Catena
+     cyber) in #2681.
+   * Extended .gitignore to ignore Visual Studio artifacts. Fixed by ConfusedSushi.
+   * Enable building of Mbed TLS as a CMake subproject. Suggested and fixed by
+     Ashley Duncan in #2609.
+   * Add `reproducible` option to `ssl_client2` and `ssl_server2` to enable
+     test runs without variability. Contributed by Philippe Antoine (Catena
+     cyber) in #2681.
 
 = mbed TLS 2.17.0 branch released 2019-03-19