Import library menu is now scrollable.

Fixes #1543

app/src/processing/app/Editor.java

@@ -646,6 +646,7 @@ public class Editor extends JFrame implements RunnerListener {
 
     if (importMenu == null) {
       importMenu = new JMenu(_("Import Library..."));
+      MenuScroller.setScrollerFor(importMenu);
       base.rebuildImportMenu(importMenu, this);
     }
     sketchMenu.add(importMenu);

build/shared/revisions.txt

@@ -9,6 +9,7 @@ ARDUINO 1.5.3 BETA
 * Display estimated RAM usage after compile (Loren M. Lang)
 * Updated arm gcc to 4.7.4 and simplified build.xml
 * ARM gcc doesn't require ia32-libs anymore on 64 bits linux systems
+* Import library menu is now scrollable
 
 [arduino core]
 * sam: Fixed delayMicrosecond() when interrupts are disabled