With both sbt-buildinfo and scrooge-sbt-plugin enabled, buildinfo fails

```
> compile
[info] Compiling 6 Scala sources to /home/rtyley/development/friendly-tailor/target/scala-2.11/classes...
[error] /home/rtyley/development/friendly-tailor/target/scala-2.11/src_managed/main/sbt-buildinfo/Info.scala:6: Info is already defined as case class Info
[error] case object Info {
[error]             ^
[error] one error found
[error] (compile:compileIncremental) Compilation failed
[error] Total time: 2 s, completed 29-Apr-2016 13:45:48
```

Author: rtyley

build.sbt

@@ -2,7 +2,13 @@ name := "friendly-tailor"
 
 version := "1.0-SNAPSHOT"
 
-lazy val root = (project in file("."))
+lazy val root = (project in file(".")).enablePlugins(BuildInfoPlugin).
+  settings(
+    buildInfoKeys := Seq[BuildInfoKey](name, version, scalaVersion, sbtVersion),
+    buildInfoPackage := "hello",
+    buildInfoObject := "Info"
+  )
+
 
 scalaVersion := "2.11.8"
 scalacOptions ++= Seq("-feature")