Fixing license link

Author: ENikS

Package.nuspec

@@ -5,13 +5,13 @@
     <version>5.8.6</version>
     <authors>Microsoft.Practices.Unity</authors>
     <owners>Microsoft.Practices.Unity</owners>
-    <licenseUrl>https://github.com/unitycontainer/unity/blob/master/LICENSE</licenseUrl>
+    <licenseUrl>https://github.com/unitycontainer/unity/blob/v5.x/LICENSE</licenseUrl>
     <projectUrl>https://github.com/unitycontainer/unity</projectUrl>
     <iconUrl>https://avatars1.githubusercontent.com/u/12849707</iconUrl>
     <requireLicenseAcceptance>false</requireLicenseAcceptance>
     <description>Unity Container Library as single package</description>
     <releaseNotes>Entire Unity Library as single package.</releaseNotes>
-    <copyright>Copyright © Microsoft 2008</copyright>
+    <copyright>Copyright © Unity Container 2018</copyright>
     <tags>Unity Container unitycontainer Microsoft.Practices.Unity IoC</tags>
     <dependencies>
       <group targetFramework=".NETCoreApp2.0">