Created "intertask_interface_conf.h" to defines some parameters that were...

Created "intertask_interface_conf.h" to defines some parameters that were defined in "mme_default_values.h" to make ITTI more generic.

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4243 818b1a75-f10b-46b9-bf7c-635c3b92a50f