Merge branch 'master' of git.cs.lth.se:noricc/jbrainy

Fixed error reporting

core/src/main/kotlin/se/lth/cs/util/Features.kt

@@ -206,7 +206,9 @@ class FeatureSet(vararg features : Feature) : ArrayList<Feature>() {
     fun checked() : FeatureSet {
         val featuresChecked = this.partition { it.isSupported() }
 
-        System.err.println("[WARNING]: Some features have been dropped, they are not supported on this machine: ${featuresChecked.second}")
+        if (!featuresChecked.second.isEmpty()) {
+            System.err.println("[WARNING]: Some features have been dropped, they are not supported on this machine: ${featuresChecked.second}")
+        }
 
         return FeatureSet(*featuresChecked.first.toTypedArray())
     }