The JavaScript code now pass the default JSHint validation.
More lint, with stricter options.
Remove commented out code.
Typos.
Fix iteration over array elements.
Remove trailing whitespace.
Add missing </div>.
Tests page: do not collapse stack traces every couple of seconds during tests.

Save whether the backtrace is expanded in the model, so when the HTML
table containing the results is rewritten, the backtrace status is
preserved.

A better solution would be not rewriting the table, but just appending
the new tests results.
Tests page: filter backtrace lines not in the user agent (by default).
Remo useless log.
Make the backtrace filtering work outside the VM.
Merge remote-tracking branch 'origin/topic/bf_fix_test_results_diplay' into develop

* origin/topic/bf_fix_test_results_diplay:
  Make the backtrace filtering work outside the VM.
  Remo useless log.
  Tests page: filter backtrace lines not in the user agent (by default).
  Tests page: do not collapse stack traces every couple of seconds during tests.
  Add missing </div>.
  Remove trailing whitespace.
  Fix iteration over array elements.
  Typos.
  Remove commented out code.
  More lint, with stricter options.
  The JavaScript code now pass the default JSHint validation.
BayU.
Release version v0.2.5-rc078.