Fix response&controller classes set
PHP sniffer fixes
removed old settings file
fixed form_set_error
removed loading standard profile in test
show description in the captcha field
replaced comment form name
use the correct subject field name
removed undefined variable
add too broken test
Remove added empty line
Use apache instead of drush runserver
Disable testing on 5.6 for now.
Merge pull request #1 from md-systems/8.0.x

Fixing tests, some enchantments to travis config.
replace deprecated methods
Settings rename: captcha_default_challenge --> default_challenge
removed unused functions
use Drupal Cache instead of static cache
removed unused language handling
better name for settings