Remove lodash

[Cryrivers]

Description

As functions imported from Lodash have been already supported by either ECMAScript 5 or Ember framework, this PR removes Lodash to reduce the addon's size.

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[Cryrivers]

I signed it!

[googlebot]

CLAs look good, thanks!

[googlebot]

CLAs look good, thanks!

[Cryrivers]

Not sure what happened to Travis CI but I passed all test cases on my local machine.

[tsubik]

Yeah, looks like something got flaky. I've run tests locally for your branch, and all looks fine 👍

[mileszim]

Lodash is giving the same deprecation warnings of Torii. Is it possible to fast-track this PR?

[jamesdaniels]

I'm kicking this now with the switch to yarn, hopefully that helps the CI failures.

[jamesdaniels]

Ack @Cryrivers, mind giving the failing tests a look now that we've locked it down with yarn?

[Cryrivers]

@jamesdaniels Any idea why all test cases can pass on my local machine but not Travis CI?

[mileszim]

@Cryrivers I'm gonna take a gander it has to do with cached node_modules https://travis-ci.org/firebase/emberfire/jobs/239540498/config

[Cryrivers]

@mileszim tried with no luck 😢

[ibroadfo]

I tried correctly disabling caching by setting cache: false but the build still failed: https://travis-ci.org/ibroadfo/emberfire/jobs/241577735

[ibroadfo]

Ah! it's because travis is using Firefox 31. I'm not sure exactly what code is causing the problem though.

[ibroadfo]

I've submitted a PR that fixes the Firefox issue #516 and merged it into my copy of this lodash PR to check that it works, which it does! https://travis-ci.org/ibroadfo/emberfire/jobs/241726167 :)

[jamesdaniels]

Thanks!

[mileszim]

nice work! thanks for getting this in!