various debug
Merge branch 'master' of github.com:aenario/cozy-emails

Conflicts:
	server/imap/connection.coffee
add missing letter
Merge branch 'master' of github.com:aenario/cozy-emails

Conflicts:
	server/imap/connection.coffee
	server/imap/pool.coffee
fix error when there is no account
mergefix & build