New MailScanner Front-End (MSFE) v7.19

Changes:

• MailControl: Ensure all external items that are non-standard and unsafe (for display) ASCII characters are displayed as HTML entities
• MailControl: Fix IP Block modal html
• MailControl: Prevent improper wrapping of From/To addresses in table
• MailControl: Correctly align sacore in Statistics table
• MailControl: Fix for locating messages in Quarantine
• MailControl: Fix for batch messages being remembered between processing