Add --intransitive option

cli/src/main/scala-2.11/coursier/cli/Coursier.scala

@@ -48,6 +48,8 @@ case class CommonOptions(
   @Value("organization:name")
   @Short("E")
     exclude: List[String],
+  @Help("Consider provided dependencies to be intransitive. Applies to all the provided dependencies.")
+    intransitive: Boolean,
   @Help("Maximum number of parallel downloads (default: 6)")
   @Short("n")
     parallel: Int = 6,

cli/src/main/scala-2.11/coursier/cli/Helper.scala

@@ -169,7 +169,8 @@ class Helper(
         module,
         version,
         configuration = "default(compile)",
-        exclusions = excludes
+        exclusions = excludes,
+        transitive = !intransitive
       )
   }