Added html email support

Since we are sending <A HREF> anchors, we need to send the email with html mailtype.

CI will still send a plaintext email for those few clients that don't accept/do not view html emails.
Fixed file location
Switched to html formatting

since we are sending an anchor link , we will be sending an html formatted email. So we need html formatting for the rest of the email. 
Added valid HTML formatted email.
Merge pull request #17 from iam1980/master

Fixed the forgot password email delivery operation to properly support HTML formatted emails.