Switch back to console based emails for development

Fixes #99

Since debugserver.sh gives console output, this is probably a better
development experience than file-based emails anyways
Merge pull request #100 from maurizi/console-email

Switch back to console based emails for development
Add support for retrieving a forgotten username.

Templates were mostly copied from OTM2, with some text changes where
appropriate.
Make the login screen send users to their profile
Add UI tests for the registration, and forgot password workflow