updated schema and design plan
google+ api calls working now; had to workaround some google apiclient bugs
added support for using API key instead of oauth access token
basic tests for embedded subdocuments
added support for EmbeddedDocument(insertNew="findOrInsert")
added Post and Reply classes as subdocuments of Paper
added support for findOrInsert for ArrayDocument subdocs
switch basic tests to use ArxivPaperData
setattr on parent doc rather reloading parent doc
fixes for arxiv paper display
added fetchFunc support
refactored fetchFunc as _query_external() method
now auto-generating IDs, added tests for auto ID conversion failure
made SIG Topics and Recs visible again
show replies as well
Merge branch 'design'