Updating php-contribution to use db-object instead of plain functions; yapaf-contribution

Hi,

as part of my diploma-thesis[1] at Ralf Lämmel I created YAPAF[2], an aop-php-framework. To show it's capabilities, I updated 101companies php-contribution to be more OOP, and added an own YAPAF-contribution, which implements the logging of the php-contribution by using AOP.

[1] http://kola.opus.hbz-nrw.de/volltexte/2012/823/
[2] https://github.com/SchulteMarkus/YAPAF