Adding facilities for testing asynchronous trait changes
fixing format string to be python2.6 compatible
more python2.6 fixes
Adding tests for wait_for_condition
Tweaked wait_for_condition documentation
Changing signature of condition in assertEventuallyTrue so that obj is taken as an argument.
Merge pull request #52 from enthought/feature-asynchronous-test-helpers

Adding facilities for testing asynchronous trait changes