ScriptLanguage: use plugin name if present

The language name can be inferred from the name attribute of the @plugin
annotation. This is nice because it lets us name the languages in a more
succinct way, without needing to override a method.

Author: ctrueden

src/main/java/org/scijava/script/AbstractScriptLanguage.java

@@ -105,7 +105,8 @@ public String getEngineName() {
 
 	@Override
 	public String getLanguageName() {
-		return inferNameFromClassName();
+		final String name = getInfo().getName();
+		return name != null ? name : inferNameFromClassName();
 	}
 
 	@Override

src/main/java/org/scijava/script/AdaptedScriptLanguage.java

@@ -100,7 +100,8 @@ public List<String> getNames() {
 
 	@Override
 	public String getLanguageName() {
-		return base.getLanguageName();
+		final String name = getInfo().getName();
+		return name != null ? name : base.getLanguageName();
 	}
 
 	@Override