re-adding a processing.app.SketchException class that extends the newly refactored one, so alternate modes don't break.

Author: joshgiesbrecht

app/src/processing/app/SketchException.java

@@ -0,0 +1,30 @@
+// temporary band-aid class to support modes which are still looking here for the now-refactored class.
+// (would be good to delete this file once all modes are updated to use processing.utils.SketchException)
+//  - josh giesbrecht
+
+package processing.app;
+
+// extends the refactored class, to defer functionality there and also to hopefully play nicely when
+// exception-handling goes to see if this is a processing.utils.SketchException or not!
+public class SketchException extends processing.utils.SketchException {
+
+    public SketchException(String message) {
+        super(message);
+    }
+
+    public SketchException(String message, boolean showStackTrace) {
+        super(message, showStackTrace);
+    }
+
+    public SketchException(String message, int file, int line) {
+        super(message, file, line);
+    }
+
+    public SketchException(String message, int file, int line, int column) {
+        super(message, file, line, column);
+    }
+
+    public SketchException(String message, int file, int line, int column, boolean showStackTrace) {
+        super(message, file, line, column, showStackTrace);
+    }
+}