adding node v0.10 vm for travis now that it is available.
travis does not like numeric values, instead it should be a string to denotate the vm version for nvm
should pass now that nodejs v0.10.1 is ready
Merge branch 'develop' of github.com:yahoo/mojito into travis-node-10
Merge pull request #1038 from caridy/travis-node-10

adding node v0.10 vm to travis configuration