removed old creation commands,
added users and roles
improved db tables design
added users_roles
added names table
added ids table
added id_names table
added abbrevations table
added formulas table
added substances table
added urns and reactions
added rhs and lhs tables
added parameters_use table
added some references
added delete commands, added enzymes table
added enzymes_reactions table
added compartments and compartments_enzymes
added containments table