Add --no-bgfs option

public/biopet-framework/src/main/scala/nl/lumc/sasc/biopet/extensions/Raxml.scala

@@ -50,6 +50,8 @@ class Raxml(val root: Configurable) extends BiopetCommandLineFunction {
   @Argument(doc = "Output directory", required = true)
   var w: String = _
 
+  var noBfgs: Boolean = config("no_bfgs", default = false)
+
   @Input(required = false)
   var t: File = _
 
@@ -101,5 +103,6 @@ class Raxml(val root: Configurable) extends BiopetCommandLineFunction {
     optional("-f", f) +
     optional("-t", t) +
     optional("-z", z) +
+    conditional(noBfgs, "--no-bgfs") +
     required("-T", threads)
 }