Check all php files during syntax #48
Fix syntax errors occurring on PHP 5.4, 5.5

Message: "Parse error: syntax error, unexpected 'public' (T_PUBLIC)"
Merge pull request #49 from zborboa-google/patch-2

Include all php files when checking coding standards (#48)
Update continuous integration to check all PHP files for syntax errors
Merge branch 'master' of github.com-php-curl-class:php-curl-class/php-curl-class

* 'master' of github.com-php-curl-class:php-curl-class/php-curl-class:
  Check all php files during syntax #48