prepare next release
added drive and oauth dependencies
use authentication and drive api without js
removed js client utils file
added document provider interface
added google doc provider
added local doc provider
removed options object
updated doc comment
readded declaration of global realtime reference
added native object tests
implemented methods to serialize to json
started persistent doc provider class
implemented local doc save state changed event
made event constructor public
emit save state change events on document
fixed save state getters
made unified document export in document providers
moved document getter into doc provider base class
extend persistent from base class
added exportDocument implementation to persistent
fixed event type string
call provided initializeModel only if load response is empty
otherwise construct model from exported json representation
do initial save if first ever document load
made public member to allow rdm to create save state change event on doc
specified type better on getDocument declaration