Issue 4814 - Adds csv log to formmail2

.sitescripts.example

 [DEFAULT]
 root=/server/root/path
 hgroot=https://hg.adblockplus.org
 mailer=/usr/sbin/sendmail
 mailerDebug=no
 secret=somerandomstringhere
 
 [multiplexer]
 sitescripts.subscriptions.web.fallback =
 sitescripts.crashes.web.submitCrash =
@@ skipping 154 matching lines @@
 issue_url_template=https://issues.adblockplus.org/ticket/{id}
 
 [hg_module_milestones]
 Platform=adblock-plus(-[\d\.]+)?-for-chrome-opera-safari(-next)?
 Adblock-Plus-for-Firefox=adblock-plus(-[\d\.]+)?-for-firefox(-next)?
 
 [formmail]
 template=formmail/template/eyeo.mail
 
 [formmail2]
+test.csv_log = /var/log/something.csv_log
 test.url=test/apply/submit
 test.template=formmail/test/template/test.mail
 test.fields.email=mandatory, email
 test.fields.email.mandatory=You failed the email test
 test.fields.email.email=You failed the email validation
 test.fields.non_mandatory_email=email
 test.fields.non_mandatory_message=
 test.fields.mandatory=mandatory
 
 [submit_email]
@@ skipping 29 matching lines @@
 adblockplus_command=./build.py -t gecko docs {output_dir} >/dev/null 2>&1
 adblockpluschrome_repository=%(root)s/hg/adblockpluschrome
 adblockpluschrome_target_directory=%(root)s/www/jsdoc/adblockpluschrome
 adblockpluschrome_command=./build.py -t chrome docs {output_dir} >/dev/null 2>&1
 adblockpluscore_repository=%(root)s/hg/adblockpluscore
 adblockpluscore_target_directory=%(root)s/www/jsdoc/adblockpluscore
 adblockpluscore_command=./generate_docs.py {output_dir} >/dev/null 2>&1
 libadblockplus_repository=%(root)s/hg/libadblockplus
 libadblockplus_target_directory=%(root)s/www/docs/libadblockplus
 libadblockplus_command=make docs >/dev/null 2>&1 && mv docs/html {output_dir}