added developer build information

Author: pwelter34

readme.md

@@ -16,6 +16,13 @@ To install MSBuildTasks, run the following command in the Package Manager Consol
 More information about NuGet package avaliable at
 https://nuget.org/packages/MSBuildTasks
 
+##Development Builds
+
+Development builds are available on the myget.org feed.  A development build is promoted to the main NuGet feed when it's determined to be stable. 
+
+In your Package Manager settings add the following package source for development builds:
+http://www.myget.org/F/loresoft/
+
 ##Join Project
 
 Please join the MSBuild Community Tasks Project and help contribute in building the tasks.