Use SSL when posting to JIRA over https
Send email notifications to watchers after export

When an issue is exported to JIRA, email notifications are now sent to all
users watching the issue. This is accomplished by creating a journal entry with
a note that contains the JIRA URL.

Closes GH-5.
Ensure exports create at least one JIRA link

Tickets with no inter-redmine links were not exporting any links to JIRA. This
is solved by ensuring the ticket to be exported is always in the array of links
to create.