Revert "OBMFULL-6070 Escape single quote in phpStringToJsString"

This reverts commit e7be10bad75dde538a43fe9671bd5bde292603a3.
OBMFULL-6224 /etc/obm/webmail.inc.php is loaded last
OBMFULL-6226 Take care of domains when listing IMAP folders
OBMFULL-6217 Change Core Team email
OBMFULL-6225 Don't fail on bad mailbox format