Update from 4.0.52 to 4.0.53:

o) www/rubygem-passenger;
o) third-party modules for www/nginx and www/nginx-devel.

<ChangeLog>

• Upgraded the preferred Nginx version to 1.6.2.
• Improved RVM gemset autodetection.
• Fixed some Ruby 2.2 compatibility issues.

</ChangeLog>