Issue #3 : better readme file and minor changes
Issue #33 : add a URL to upload several files
Save and retrieve files
Send files in attachment with mails
Send files in multiple email /!\ BUGS /!\
Issue #33 : Send attached files (in several parts if needed)
Issue #33 : Bug fixes
Issue #3 : Add URL and params for files attachments
Change subscription controller to have several selectors
Add a configuration controller and bug fixes
Set up working directory for persister and gridfs

Dont try to send 5 times too big attached files