Added length property to Ember.Map
Adds the ability to specify the view class used by the outlet Handlebars helper

Previous to this change, the view class used was always an "OutletView" (Metamorph extension of ContainerView).  This change allows the class to be set while still defaulting to the OutletView
Fix Ember.Test.registerHelper test
Remove SC compatibility in Ember.Array

I think `Ember.Array#isSCArray` is no longer necessary.
typo fix.
Merge pull request #2668 from speedmanly/typo-fix

typo fix.
Add assertion about setting the same current view to multiple container views
Merge pull request #2670 from teddyzeenny/container-view-assertion

Add assertion about setting the same current view to multiple container views
Small corrections to Route.events documentation.
Merge pull request #2672 from bradfol/events-doc

Small corrections to Route.events documentation.
gitignore bundler/* this allows for a local bundle --standalone
App#reset now only brings it's own run-loop if needed.

This allows for extra control during tests, but
only if desired.
upgrade ember-dev
Merge pull request #2673 from stefanpenner/more_flexible_app_reset

More flexible app reset
fix typo
Merge pull request #2674 from craigteegarden/patch-2

fix typo
Ember.Deferred now handles optional then handlers.
bump ember-dev this should complete the removal of the dependency cycle
Merge pull request #2677 from stefanpenner/fix_deferred

Ember.Deferred now handles optional then handlers.
Merge pull request #2678 from stefanpenner/master

bump ember-dev this should complete the removal of the dependency cycle