Merge 4 to 5

Signed-off-by: Nate Koenig <nate@openrobotics.org>

Changelog.md

@@ -25,6 +25,10 @@
 
 ### Ignition Launch 4.X.X (20XX-XX-XX)
 
+### Ignition Launch 4.1.0 (2021-10-14)
+
+1. All changes included in Ignition Launch 3.4.2.
+
 ### Ignition Launch 4.0.0 (2021-03-30)
 
 1. Bump in edifice: ign-common4
@@ -41,6 +45,10 @@
 
 ## Ignition Launch 3.x
 
+### Ignition Launch 3.4.2 (2021-10-14)
+
+1. All changes included in Ignition Launch 2.2.2.
+
 ### Ignition Launch 3.4.1 (2021-07-15)
 
 1. Generate a better error websocket error code for `max_connections`.
@@ -105,6 +113,23 @@
 
 ## Ignition Launch 2.x
 
+### Ignition Launch 2.2.2 (2021-10-11)
+
+1. Master branch updates.
+    * [Pull request 98](https://github.com/ignitionrobotics/ign-launch/pull/98)
+
+1. Treat `IGN_LAUNCH_CONFIG_PATH` as a path list.
+    * [Pull request 93](https://github.com/ignitionrobotics/ign-launch/pull/93)
+
+1. Remove tools/code_check and update codecov.
+    * [Pull request 115](https://github.com/ignitionrobotics/ign-launch/pull/115)
+
+1. Update gtest for Windows compilation.
+    * [Pull request 122](https://github.com/ignitionrobotics/ign-launch/pull/122)
+
+1. Remove bitbucket-pipelines.yml.
+    * [Pull request 128](https://github.com/ignitionrobotics/ign-launch/pull/128)
+
 ### Ignition Launch 2.2.1 (2021-01-08)
 
 1.  Fix env parsing by placing it before executable parsing.