Add EntityError class and emit on errors (WIP)
Add GetError
bindResource WIP
Better structure for bindResource
s/_languages/_ordered/
Remove Source, use L20n.IO.bind as a simple cache
Add _isReady to the Context
Locale.compile should return a promise
Remove promises from Resource's methods which are always synchronous
Remove Locale's metaresource;  also fixes a bug in the order of overwriting entities add by text
Return a promise from Context.freeze;  various small fixes
Async get POC
Review comments;  remove _ordered
Add Context.localize stub
Add getString and getEntity to Compiler.Entity
Better logic for getLocale
LangPackService stub.  WIP.  (No, really.  HERE BE DRAGONS)
remove comments
update LPS service support