Merge pull request #589 from fsmanuel/master

locks ember-load-initializers to 0.0.1
Merge pull request #592 from fsmanuel/master

updates ember and ic-ajax versions
fix include typo
Merge pull request #594 from davidlukerice/master

fix ic-ajax include typo
fixes #596; adds ic-ajax to whitelist and includes ember-shim in index.html