Merge pull request #2 from hussani/master

[form-validation] Adding pt_BR translation
Loading multiple configuration files using Respect\Config
Fixing the tile in README.md
Adding a disclaimer about the index.php architecture
Changing custom hostname from my machine to localhost
Fixing port used to test the "Experimenting" section
Switching port on config to match Respect\samples format
More disclaimers =D
Changing port number to match the samples format
Adding a disclaimer about security, many thanks to @netojoaobatista