[imp] [33882 & 33883] W3C Validation. Closes #3804, Closes #3805
Skip tests that are failing due to a PHP bug in 5.4.29/5.5.13
Use assertFalse instead of $this->isFalse
Codestyle Hathor cPanel.
Closes #3810
Merge pull request #3809 from wilsonge/patch-6

Use assertFalse instead of $this->isFalse
Change deprecated $app->getCfg() to $app->get().
Closes #3812
CodeStyle
Remove the hardcoded logout for hathor.
Closes #3811