Data persisted for every build stat configuration allowing to create charts
on build results
WARNING : if any change is made to this class, don't miss to create a new
data migrator in the hudson.plugins.global_build_stats.xstream.migration package !
Data persisted in the end of every build
WARNING : if any change is made to this class, don't miss to create a new
data migrator in the hudson.plugins.global_build_stats.xstream.migration package !