Discovery of provider servers
Edit account + draft / sent / trash folders
send messages total & unread count with the messages list
fix flags handling (proper IMAP \flags, logic error, add & remove patch)
resolve vendor symlink
Sanitize HTML message content and improve display
Move message to Trash when deleting
Improve reporter & add client side
[misc]
bugfix & logging
remove broken json-patch-duplex
re-add broken json-patch-duplex.min.js
bugfix [account not defined]
Add a plugin architecture
Add Medium-editor and Minislate Rich text plugins
Merge branch 'master' of https://github.com/cozy/cozy-emails

Conflicts:
	package.json
	server/controllers/messages.coffee
Merge remote-tracking branch 'brice/master'

Conflicts:
	package.json
	server/controllers/messages.coffee
refix json-patch-duplex issue
re-add broken json-patch-duplex.min.js
Add a plugin to preview images attachments
Bug fixes and add some Casper tests