Move Fractions library inside project (kubernetes-client#194)

* Move Fractions library inside project

* Add README and license

Author: RohanNagar

src/KubernetesClient/KubernetesClient.csproj

@@ -22,7 +22,6 @@
     <PackageReference Include="Microsoft.AspNetCore.JsonPatch" Version="1.1.2" />
     <PackageReference Include="Nerdbank.GitVersioning" Version="2.1.23" PrivateAssets="all" />
     <PackageReference Include="Portable.BouncyCastle" Version="1.8.1.3" />
-    <PackageReference Include="Fractions" Version="3.0.1" />
     <PackageReference Include="Microsoft.AspNetCore.WebUtilities" Version="1.1.2" />
     <PackageReference Include="Microsoft.Rest.ClientRuntime" Version="2.3.10" />
     <PackageReference Include="Newtonsoft.Json" Version="10.0.2" />