Renamed doc theme log4php-sd to log4php-sphinxdoc

Signed-off-by: Ivan Habunek <ihabunek@apache.org>
Yet another doc theme, based on sphinx13 theme

Signed-off-by: Ivan Habunek <ihabunek@apache.org>
Minor improvements to docs

Signed-off-by: Ivan Habunek <ihabunek@apache.org>
Switched doc theme to sphinx13

Signed-off-by: Ivan Habunek <ihabunek@apache.org>