feature/psr0

This PR make PSR-0 autoloading for version lower then php5.3

a dependency is https://github.com/dready92/PHP-on-Couch/pull/45

# currently this PR is in progress #
If somebody want help me with this PR, send me your work and i will merge this.
Send me your Feedback ;)

DONE:
* change library
* change example

IN PROGRESS:
* change test ([twiesenthal](https://github.com/twiesenthal/))
* change framework implementation ([ClemensSahs](https://github.com/ClemensSahs/))
* change doc ([ClemensSahs](https://github.com/ClemensSahs/))

TODO:
* ???