Upgraded Node 0.10.30 --> 0.10.32
Figured out Safari issue: it doesn't like mixed-case selectors in iframe
'joinUs' button tests work in iframe
'join us' button pseudoclasses work in iframe
drawing area tests work in iframe
drawing area arrow CSS tests work in iframe
clear button CSS tests work in iframe
Modified index.html to use dashed ID names, not camelCase
Factored out common getElementById() code in CSS tests
Defined width of drawing area
Changed Karma output style to work around with scrolling bug
Updated to-do
Upgraded Mac Safari 6.1.6 --> 6.2.0
Updated to-do
Updated async 0.7.0 --> 0.9.0
Updated browserify 3.43.0 --> 5.12.1
Modified Jakefile to work with new version of Browserify
Updated gaze 0.5.1 --> 0.6.4
Updated Jake 0.7.11 --> 8.0.9
Updated jshint 2.5.0 --> 2.5.6