*8135* Standardize email key length
[PKP bugs] removed stale code from Form.inc.php
Merge pull request #33 from jerico-dev/dev-stable

*8137* [PKP bugs] removed stale code from Form.inc.php
*8144* PayPal payments never complete with site restriction enabled
Merge pull request #34 from MichaelThessel/ojs-stable-2_4

*8014* Fixed base path encoding issues
*8014* use callback for PHP < 5.3 compatibility