log application errors caught by our error handler
trying to use app.logger doesn't work here; just print to stderr
Merge of the log changes with the feedback branch
Feedback form and its blueprint

Tests for form and core form functions
New requirements added
Few changes in the layout of the feedback form.
use request.url as the event's @message attribute
Feedback in the same page
Multiple bug fixes
Fixed some tests of the feedback form
beaver config + shell commands to start/stop the daemon
Feedbacks include URL of original page
Few changes in the layout
make 'bibcode' a required field on all searches (needed for logging results)
Layout login form improved.

Problem with redirect after redirect fixed.
Fixed tests that were failing because of the new login form
login and feedback forms now have inline errors
Fixed bug with CSS
Configuration changed
Forcing refresh after login/logout

Tests failing