MAL-112. Performance modules and configurations.
Merge branch 'master' of github.com:malmostad/vuxenforvaltningens_informationsportal
Added modules to make file.
Fixed varnish version
Removed drupal version from module dependencies
Added memcache extension to travis configuration
Added usage of hhvm
Removed hhvm, added pear extension to install memcache
Added 'yes' trigger for memcache install
Added path to php.ini into pear and pecl configs
Enabled memcache service, added debug information
Removed php eval lines
Added superuser priveleges for find command
Moved debug further in build
Removed unexisting service start
Another approach to enable memcache
Fixed settings passed to drupal_rewrite_settings
Merge branch 'master' of github.com:malmostad/vuxenforvaltningens_informationsportal
Updated playbook
Passed database and hash_salt settings to drupal_rewrite_settings function