changed which fields were required in the panel emails and updated content of emails so that optional fields aren't included in the email that are sent when the fields are left blank
updated the project overview and task description fields to be html safe so that when the emails get sent they don't show any html syntax that might have been included in the task description or project overview fields
updated panel filter mechanism so that if an email is on panel twice, it only shows up once in email list (for both the all emails panel and the selected workers emails
Merge pull request #92 from StanfordHCI/dr-panelFixes

Dr panel fixes