Add empty value variable support. Make the variables overridable to prevent cfengine spouting warning lines over variable redeclaration
Add technique to copy file from local path on managed node
Merge branch 'ust_3848/implem/Allow_empty_variables_values_genericVariableDefinition' into coredumb_work
Merge branch 'ust_3852/implem/Add_technique_to_local_copy_files' into coredumb_work