Add support for Lodash 4.x

[savog]

[frediana]

Hey, could you merge this one please? we also need it to bump our lodash to v4. I tested, seem to work fine for us:)

thx

[savog]

I created pull request, you need to do that. I have this message.

"This branch has no conflicts with the base branch Only those with write access to this repository can merge pull requests."

[frediana]

Ok, then we need the owner of this repo to merge it now...

[frediana]

@thedersen Can you merge / publish to npm registry this MR please?

[blikblum]

This is fixed in a fork i'm maintaining (tried contact this repository admins without luck): https://github.com/blikblum/backbone.validation

The updated package can be found at https://www.npmjs.com/package/backbone.validation

To use with node: npm install backbone.validation