updated release notes

Author: Michael Hallett

releasenotes.markdown

@@ -1,5 +1,21 @@
 # RestSharp Release Notes
 
+## 105.2.2
+
+* Added nuget targets for windows phone 8 and 8.1, monotouch10, monoandroid10, xamarin.ios10, net46
+* fixed the silverlight target to be sl5
+* added all projects to the solution
+* cleaned up and consolidated the build and packaging scripts
+* **Code clean-up and namespace patching may cause breaking changes**
+
+To see all commits for this version, [click here](https://github.com/RestSharp/RestSharp/compare/105.2.1...105.2.2).
+
+## 105.2.1
+
+* **Code clean-up and namespace patching may cause breaking changes**
+
+To see all commits for this version, [click here](https://github.com/RestSharp/RestSharp/compare/105.1.0...105.2.1).
+
 ## 105.1.0
 
 To see all commits for this version, [click here](https://github.com/RestSharp/RestSharp/compare/105.0...105.1.0).