Enable Octane features in alpha builds
Enable Octane features in alpha builds

This makes it easier to try Octane in some non-standard workflow
(and benchmarks, etc). Also, this would allow the Octane blueprint
to start tracking the alpha channel instead of canary, keeping the
list of Octane feature flags in-sync more easily.

miguelcobain/ember.js,givanse/ember.js,fpauser/ember.js,asakusuma/ember.js,emberjs/ember.js,miguelcobain/ember.js,miguelcobain/ember.js,GavinJoyce/ember.js,sly7-7/ember.js,qaiken/ember.js,mixonic/ember.js,emberjs/ember.js,kellyselden/ember.js,fpauser/ember.js,stefanpenner/ember.js,sandstrom/ember.js,elwayman02/ember.js,qaiken/ember.js,intercom/ember.js,elwayman02/ember.js,tildeio/ember.js,cibernox/ember.js,intercom/ember.js,sly7-7/ember.js,mfeckie/ember.js,mfeckie/ember.js,mfeckie/ember.js,fpauser/ember.js,asakusuma/ember.js,knownasilya/ember.js,qaiken/ember.js,miguelcobain/ember.js,sly7-7/ember.js,mixonic/ember.js,sandstrom/ember.js,givanse/ember.js,asakusuma/ember.js,stefanpenner/ember.js,cibernox/ember.js,sandstrom/ember.js,elwayman02/ember.js,emberjs/ember.js,kellyselden/ember.js,GavinJoyce/ember.js,kellyselden/ember.js,knownasilya/ember.js,GavinJoyce/ember.js,intercom/ember.js,qaiken/ember.js,tildeio/ember.js,stefanpenner/ember.js,GavinJoyce/ember.js,cibernox/ember.js,mfeckie/ember.js,givanse/ember.js,intercom/ember.js,elwayman02/ember.js,asakusuma/ember.js,kellyselden/ember.js,knownasilya/ember.js,tildeio/ember.js,cibernox/ember.js,fpauser/ember.js,mixonic/ember.js,givanse/ember.js