core: marked translation for model and fields. Added simple unicode methods.
core: marked translation for model and fields. Added simple unicode methods.

johan--/Geotrek,camillemonchicourt/Geotrek,mabhub/Geotrek,makinacorpus/Geotrek,makinacorpus/Geotrek,Anaethelion/Geotrek,Anaethelion/Geotrek,makinacorpus/Geotrek,GeotrekCE/Geotrek-admin,Anaethelion/Geotrek,camillemonchicourt/Geotrek,GeotrekCE/Geotrek-admin,johan--/Geotrek,Anaethelion/Geotrek,GeotrekCE/Geotrek-admin,makinacorpus/Geotrek,mabhub/Geotrek,johan--/Geotrek,GeotrekCE/Geotrek-admin,camillemonchicourt/Geotrek,mabhub/Geotrek,mabhub/Geotrek,johan--/Geotrek