Merge pull request #17 from djpetti/devel

Fix slow page loading.
Merge pull request #18 from djpetti/devel

Fix a problem with the initial datasync system.
Merge pull request #19 from djpetti/devel

Make datasync more reliable.
Merge pull request #20 from djpetti/devel

Another improvement for datasync.
Merge pull request #22 from djpetti/devel

(Try to) fix the welcome email.
welcome email message updates
Make it send the email when the user is fully created.

Otherwise, it sends the message before the hackerdojo email
account even exists.
Add Jun's new welcome email template.