Update PHP to 5.4.12.
Force PEAR to create conf file in apache directory.
Disable non-working slapmonitor on LAMP stack.

Was only used for specific demo.
Pin missing egg version in lamp stack
Define empty return_parameter_dict in case of request error.
Fix 0f8e52e72ab46334996303575262bf63f291a749 merge.
Merge branch 'lapp-resilient3'