Upgraded to lodash 4.5.0

[dwatling]

No description provided.

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[dwatling]

I signed it!

Also, I tried to read the guidelines about submitting PRs but the link was dead. Let me know what I need to do to make this PR better.

[googlebot]

CLAs look good, thanks!

[dignifiedquire]

Thanks, can you please update the commit message to follow our convention

[dwatling]

I'm not sure why the commit history on this branch became polluted with extraneous commits. I'll open a new PR with just the commit that includes the fixes and is formatted according to the convention.