Remove support for node 0.8
Remove support for node 0.8

yoeman-generator recently dropped support for anything but node 0.10
which is why travis is failing and we have been blocked on pulling new PR's

https://github.com/yeoman/generator/issues/469

fixes #122

walmartlabs/generator-thorax,FormidableLabs/generator-handlebones,walmartlabs/generator-thorax