Updated monolog version.

Just updated the monolog version to stick with 1.*.

Improved documentation

Updated Doxyfile to the last version, removed all the warnings from the documentation.

Fixed a bug on psr

1.7

reverted to psr-0

1.5: Due to performance issues I have removed the lint on php functions. T…

…he lint is done on the client, by the ViewHandler. This garantee better performances.

Improved documentation: changed the style to javadoc.