famousContext fixes from 0.1.28-rc.1
v0.1.27; omg!  manual merge of inadvertently reverted commits :(

think my finger must of slipped on the copy and paste of commit, or
maybe i didn't pay close enough attention to all the merges :(  anyways:

* Defer using Famo.us for fluidity (PEM--)
  ee52b8868eb34044af942ca15b1450ddba7c59ad

* Removing a warning on client side collection (PEM--)
  15f7fb295a7d87c948e532de1aa0f0ef9c9a07af

* Should avoid messing with Engine (PEM--)
  fa30d163acb77723cd08d2de07491b7c12a28695

* v0.1.27; Engine.defer, famousContext and mainCtx changes, postFirstAdd()
  5121c608a9812cc617f0df58cb8b5b9a9afd5020