[DOC beta] Ember.Route.resetController only accepts 3 params.
Merge pull request #5178 from rjackson/fix-docs-for-resetController

[DOC beta] Ember.Route.resetController only accepts 3 params.
Update github user for bower.
[DOC] Fix typo in Array docs
Merge pull request #5185 from linstula/fix-typo

[DOC] Fix typo in Array docs
Cleanup copy.js, remove unused import, etc..

Make easier to read and debug..
Fix typo in tests
Merge pull request #5187 from knownasilya/copy-cleanup

Cleanup copy.js, remove unused import, etc..
Merge pull request #5186 from jugglinmike/fix-typo

Fix typo in tests