more error notes, force reference download for 3.0 release process

build/build.xml

@@ -393,9 +393,9 @@
       <fileset dir="${examples.dir}" />
     </copy>
 
+    <!-- removed ignoreerrors="true" for 3.0 release process -->
     <get src="http://download.processing.org/reference.zip" 
          dest="../java/reference.zip" 
-         ignoreerrors="true"
          usetimestamp="true" />
 
     <unzip dest="${target.path}/modes/java" 

todo.txt

@@ -186,6 +186,10 @@ _   https://github.com/processing/processing/issues/2886
 
 
 pde/build
+_ Editor objects are staying in memory
+_   https://github.com/processing/processing/issues/3930
+_ unsupported java version when trying ant run with 7u65
+_   no helpful message about how to automatically download 8u51
 _ ignore-tools in build.xml not being called for some reason
 _ when variables used in size(), getting exceptions instead of any warning
 _   https://github.com/processing/processing/issues/3311