Add a test to guard against ANGLE literal overflow handling bug.
Fix an tiny bug.
Fix
float_literal.vert.html should not test about missing gl_Position.
Add two extra tests to cover that:
empty_main.vert.html
gl_position_unset.vert.html
Update 00_test_list.txt
Fixed link to IDL; also updated link to latest and current spec in editor's draft.
Specifically ignore stdio for browser sub-process to prevent hangs from filling the stdout buffer. Fixes problem seen with node.js v0.10.18 on Mac OS X.
Fixed Chrome's command line argument for disabling GPU driver bug workarounds.
Fixed bug where test harness would not properly quit Safari. Issues still exist; documented in README.