Start endpoints in the application supervision tree
Fix the build
Generate IO data in HTML templates
Endpoint.Adapter.static_path/2 with no cache
Enable Code Reloader for test env

This is useful when testing views and templates outside of a web request.
Otherwise, changes to views are not picked up and recompiled.
broadcoast => broadcast
`get_assign/2` is no more.
Merge pull request #537 from keichan34/update-readme

Update readme
Cache a static_path with Phoenix.Config.cache/3
Add :cache_static_lookup configuration
Add static_path/2 to Helpers
Merge pull request #535 from gjaldon/static-path-helper

Endpoint.Adapter.static_path/2 with no cache

Some changes were applied on merge to guarantee we don't add
new asset files to the repository.
Do not cache static assets miss
cache_static_lookup should be false for default in dev