Implemented all the changes suggested by @SL-Gundam
Added configuration item to control using this feature (#16719)
Updated changelog
Merge branch 'master' into 0016719
Added feature to add the users in Cc and To list of mail header to
issue monitoring list
Updated changelog
Merge branch '0016835' into ejyothi

Conflicts:
	core/Mail/Parser.php
	lang/strings_english.txt
Merge branch '0016719' into ejyothi

Conflicts:
	EmailReporting.php
	core/mail_api.php
	doc/CHANGELOG.bug_report_mail.txt
	pages/manage_config.php
	pages/manage_config_edit.php