Fixing tests. rpmScriptsDirectory SettingKey was overriding the

debianControlFileDirectory SettingKey with the string id.

Author: muuki88

src/main/scala/com/typesafe/sbt/packager/rpm/Keys.scala

@@ -38,7 +38,7 @@ trait RpmKeys {
 
   // SCRIPTS
   val rpmScripts = SettingKey[RpmScripts]("rpm-scripts", "Configuration of pre- and post-integration scripts.")
-  val rpmScriptsDirectory = SettingKey[File]("debian-control-scripts-directory",
+  val rpmScriptsDirectory = SettingKey[File]("rpm-scriptlets-directory",
     "Directory where all debian control scripts reside. Default is 'src/rpm/scriptlets'")
 
   val rpmPretrans = SettingKey[Option[String]]("rpm-pretrans", "%pretrans scriptlet")