data: unresolved type names

changed names of unresolved types from "error-type" to "unresolved-type" because it's easier for the user to understand what that means.

java_indexer/src/io/coati/JavaTypeNameResolver.java

@@ -123,7 +123,7 @@ public class JavaTypeNameResolver extends JavaNameResolver
 		}
 		
 		System.out.println("Unable to resolve qualified name of " + type.getClass().toString() + ": " + fallbackTypeName);
-		return new JavaTypeName("error-type", null);
+		return new JavaTypeName("unresolved-type", null);
 	}