Upgrade several eggs to their latest versions.
Upgrade several eggs to their latest versions.

Specifically included in this commit are coverage (3.7 -> 3.7.1),
webest (2.0.7 -> 2.0.11), zope.testbrowser (4.0.2 -> 4.0.4),
googleappengine (1.8.6 -> 1.8.8), and closure-compiler
(20091217 -> 20131118).

rhyolight/nupic.son,rhyolight/nupic.son,rhyolight/nupic.son