Update ember-data to version 2.4.2 🚀

[greenkeeperio-bot]

Hello :wave:

:rocket::rocket::rocket:

ember-data just published its new version 2.4.2, which is not covered by your current version range.

If this pull request passes your tests you can publish your software with the latest version of ember-data – otherwise use this branch to work on adaptions and fixes.

Happy fixing and merging :palm_tree:

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The new version differs by 679 commits (ahead by 679, behind by 117).

• 73b1335 Release Ember Data 2.4.2
• ed41631 [DOC release] Update changelog for the 2.4.2 release
• 3117946 [BUGFIX release] fix prod-build issue
• 4260f57 Release Ember Data 2.4.1
• a82a34f Add release notes for Ember Data 2.4.1
• 9b98f5b [BUGFIX beta] fixes #4149, new record does not added twice in many
• 7cebc18 [BUGFIX release] Guard against isDestroyed in ManyArray.flushCanonical
• 242d198 [BUGFIX release] Fix RESTAdapter.buildQuery without a snapshot
• 29d593f Fix AMD dependencies
• f9e471a [BUGFIX release] ensure import paths are resolved \w posix separators
• 9f8c409 Release Ember Data 2.4.0
• e97c2c3 Update changelog for Ember Data 2.4
• 8d22d10 Release Ember Data 2.4.0-beta.3
• f5bf6a6 Update changelog for 2.4.0-beta.3 release
• d70afb0 [BUGFIX beta] Add test blueprints from "ember-cli-mocha"

There are 250 commits in total. See the full diff.

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