Email summaries

• support for the summarization of status by emails (see #63)
• disallow changing of microsetta status for a project (see #59)

Thanks @AmandaBirmingham and @dhakim87!

Moving to tagged releases

Notable changes since the last deploy:

• Legacy domo background removed
• Create projects was replaced with manage projects (see #51)
• Support for legacy values associated with saliva samples and alcohol frequency
• Alignment of javascript and css (see #57) across pages