Moved 'addons/themes/gabe' to 'Krinkle/qunit-theme-gabe.git'

Tree: https://github.com/Krinkle/qunit-theme-gabe/tree/v1.0.0
Moved 'addons/themes/ninja' to 'Krinkle/qunit-theme-ninja.git'

Tree: https://github.com/Krinkle/qunit-theme-ninja/tree/v1.0.0
Moved 'addons/themes/nv' to 'Krinkle/qunit-theme-nv.git'

Tree: https://github.com/Krinkle/qunit-theme-nv/tree/v1.0.0
Fixes #432 - Using a setTimeout stub can stop test suite from continuing - closes gh-433
Revert "Fixes #432 - Using a setTimeout stub can stop test suite from continuing - closes gh-433"

This reverts commit cf41077c30080650ba12dbba2b193b24e0b3a7d0.
Added CONTRIBUTING.md.