Clean the code of klein.php

Clean the code with K&R (OTBS) style. Several styles were mixed.

For more informations about the convention
http://en.wikipedia.org/wiki/Indent_style#Variant:_1TBS
Clean the code of klein.php

Clean the code with K&R (OTBS) style. Several styles were mixed.

For more informations about the convention
http://en.wikipedia.org/wiki/Indent_style#Variant:_1TBS
Merge pull request #60 from BafS/master

Clean the code of klein.php with K&R (OTBS) style.
changed the way route callbacks are handled

this will allow the use of static methods
also wrote a test case for this scenario
added an app reference test
removed references from call_user_func
Merge pull request #62 from henriktudborg/master

call $callback via call_user_func
Get request body, closes #68