ccnet#286 Fix PR: Change NUnit v2 to v3

- updated ReadMe

README.md

@@ -2,14 +2,29 @@
 
 **CruiseControl.NET** is an automated continuous integration server for the .NET platform. It is a C# port of CruiseControl for Java.
 
+
+
 ## Releases
 Releases up to 1.8.5 can be downloaded from [sourceforge.net](https://sourceforge.net/projects/ccnet/)
 
 
-## How to build
+## Development
+
+### Requirements
+
+## Windows
+1. Visual Studio 2019 or Visual Studio 2017 + Visual Studio 2019 Build Tools
+2. Sandcastle Help Builder
+3. Visual Studio Code with NSIS extension (from idleberg)
+
+## Linux
+1. MonoDevelop or Rider from Jetbrains
+2. Visual Studio Code with NSIS extension (from idleberg)
+
+### Compile and build
 We provide the following build scripts with CruiseControl.NET:
 
-### Windows
+## Windows
 1. ```ps build.ps1 --target=default```
 
 It will display the existing targets in the cake build script.
@@ -39,7 +54,11 @@ The packaged distribution can be found in the "Publish" folder.
 
 This builds and packages the project WebDashboards.
 
-### Linux
+If running powershell scripts are disabled on your machine, you can run powershell with ExecutionPolicy disabled for the CruiseControl.NET build file:
+
+```powershell -ExecutionPolicy ByPass -File ./build.ps1 -target=build```
+
+## Linux
 If you just cloned the CruiseControl.NET repository, run ```chmod u+x build.sh``` so you have execute permission on the build script.
 
 1. ```./build.sh --target=default```