update and correct config file to use the new syntax

The last section describes how to run the bxdpp_processing binary
especially how to set the falaise resource path for the geometry
using default configuration files from Falaise install
match geometry label
use new processor name
fix doc
update configuration settings
get back to home made geometry
remove homemade isotope and use official ones
improve support of EM processes
update production cuts
fix sensitive category
improve doc
remove Falaise stuff
fix writing convention
getting back to cuts
get back to basic clusterizer
get back to clustering & fitting algorithm + associated cuts
update cut name
improve doc
fix priority