Allow uploads to documents
Only show annotator when a document has been processed.
Add document processing pipeline through Delayed::Job

Includes:

* Simplecov
* ProcessorFake
* Configuration-based dependency injection
* CSS fix for document processing notification
Google Drive integration

Includes:
* Google drive upload and conversion
* Add Delayed::Job to Procfile
* Paperclip s3 configuration for specific environments.
Add aws-sdk to Gemfile.
Configure DocumentProcess class properly.
WIP google processor work.
Try again with vanilla google account auth.
Add jasny-fileinput and pow.
Tweaks to spec, form, rake task to accommodate the jasny file upload field.
Fix input field that I broke in implementing jasny.
Use body.inner_html only.
Remove superfluous steps in html stripping.
Tweaks to document form; redirect to document index on create.
Reorder document form.
Big merge of google-drive-integration and wysiwyg-editor