Updating readme, fixing 'Licence' file typo

Author: SteveWilkes

LICENSE.md LICENCE.mdLICENSE.md renamed to LICENCE.md

@@ -8,6 +8,9 @@ EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{2B5957F8-E7DD-4B2B-9AE4-E7628FF69676}"
 	ProjectSection(SolutionItems) = preProject
 		global.json = global.json
+		LICENCE.md = LICENCE.md
+		NuGetPack.bat = NuGetPack.bat
+		README.md = README.md
 	EndProjectSection
 EndProject
 Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "NetStandardPolyfills.UnitTests", "NetStandardPolyfills.UnitTests\NetStandardPolyfills.UnitTests.xproj", "{59F266BB-9EFB-430A-9FFE-4C5F88D330F0}"

NetStandardPolyfills.sln

@@ -1,17 +1,4 @@
-## ReadableExpressions
-AgileObjects.ReadableExpressions is a Portable Class Library written in C# exposing an extension method for the 
-[Expression](https://msdn.microsoft.com/en-us/library/system.linq.expressions.expression.aspx) class which converts 
-Expressions or entire [Expression Trees](https://msdn.microsoft.com/en-us/library/bb397951.aspx) into a readable string format.
+## .NET Standard Polyfills
 
-### Usage
-The extension method (in the namespace `AgileObjects.ReadableExpressions`) is used like so:
+A set of Type and Reflection polyfill extension methods for .NET Standard v1.0 and .NET v4.0.
 
-    string readable = myExpression.ToReadableString();
-
-### Debugger Visualizers
-An installer for a set of Debugger Visualizers which use the extension method for Expressions can be downloaded from 
-[the Visual Studio Gallery](https://visualstudiogallery.msdn.microsoft.com/2d5de770-50e9-4dcf-87e9-ea1ed1b43b68).
-
-### Download
-You can download and install using [the NuGet package](https://www.nuget.org/packages/AgileObjects.ReadableExpressions), or 
-clone the repository [on GitHub](https://github.com/AgileObjects/ReadableExpressions).