allows @runas field to be on format uid:gid,uid:,:gid or uid whereas uid and gid is the name of user and the name of the group respectively

keep information of environment file at keep_common. Do not parse the service name, it's already done earlier at parser_enabled function, get_svname declaration

add arguments at parse_module to be able to use parse_service_before function,add get_svtype_from_file function

reimplement and update for modules actions and states table at parser_utils.c file,clean environment at keep_environ function

implement module. Pass to the new enum declaration format,add keep_regex, keep_environ function. Change get_mandatory by check_mandatory: more efficient and readable. Implement oneshot logger. Fix @user field parse

adds field @extdepends. Services declared with @optsdepends are not mandatory. Services declared with @extdepends must have the frontend file installed at least