IMAP4 crawl initial implementation
Mailbox crawler fieldmap implementation
Mailbox crawler implementation
Conflicts:
	src/doc/fr/documentation/API%7Capplication_programming_interface%7C4/API_v2%7CRESTFul (JSON)/.gitignore
Fix javamail conflict.
Fix compilation error
Merge pull request #645 from emmanuel-keller/master

Mailbox crawler