New ServiceConfig struct for composefile v2.

ServiceConfigV2

type Build struct {
	Context			string			`yaml:"context, omitempty"`
	Dockerfile		string			`yaml:"context, omitempty"`
	Args			MaporEqualSlice		`yaml:"args, omitempty"`
}

type Log struct {
	Driver			strings			`yaml:"driver, omitempty"`
	options			MaporColonSlice		`yaml:"options, omitempty"`
}
// ServiceConfig version 2 holds libcompose service configuration
type ServiceConfigV2 struct {
	Build         Build             `yaml:"build,omitempty"`
	CapAdd        []string          `yaml:"cap_add,omitempty"`
	CapDrop       []string          `yaml:"cap_drop,omitempty"`
	CPUSet        	string          `yaml:"cpuset,omitempty"`
	CPUShares     	int64           `yaml:"cpu_shares,omitempty"`
	CPUQuota	int64		`yaml:"cpu_quota,omitempty"`
	Command       Command           `yaml:"command,flow,omitempty"`
	CgroupParrent	string          `yaml:"cgroup_parrent,omitempty"`
	ContainerName string            `yaml:"container_name,omitempty"`
	Devices       []string          `yaml:"devices,omitempty"`
	DependsOn	[]string	`yaml:"depends_on,omitempty"`
	DNS           Stringorslice     `yaml:"dns,omitempty"`
	DNSSearch     Stringorslice     `yaml:"dns_search,omitempty"`
	DomainName	string		`yaml:"domain_name,omitempty"`
	Entrypoint    Command           `yaml:"entrypoint,flow,omitempty"`
	EnvFile       Stringorslice     `yaml:"env_file,omitempty"`
	Environment   MaporEqualSlice   `yaml:"environment,omitempty"`
	Expose		[]string	`yaml:"expose,omitempty"`
	Extends				MaporEqualSlice   `yaml:"extends,omitempty"`
	ExternalLinks []string          `yaml:"external_links,omitempty"`
	ExtraHosts    []string          `yaml:"extra_hosts,omitempty"`
	Image         string            `yaml:"image,omitempty"`
	Hostname	string		`yaml:"hostname,omitempty"`
	Ipc           string            `yaml:"ipc,omitempty"`
	Labels        SliceorMap        `yaml:"labels,omitempty"`
	Links         MaporColonSlice   `yaml:"links,omitempty"`
	Logging		Log		`yaml:"logging,omitempty"`
	MacAddress	string		`yaml:"mac_address,omitempty"`
	MemLimit      int64             `yaml:"mem_limit,omitempty"`
	MemSwapLimit  int64             `yaml:"memswap_limit,omitempty"`
	NetworkMode   string            `yaml:"network_mode,omitempty"`
	//FIXME: consider to add aliases to networks
	Networks	[]string	`yaml:"networks,omitempty"`
	Pid           string            `yaml:"pid,omitempty"`
	Ports         []string          `yaml:"ports,omitempty"`
	Privileged    bool              `yaml:"privileged,omitempty"`
	SecurityOpt   []string          `yaml:"security_opt,omitempty"`
	StopSignal	string		`yaml:"stop_signal,omitempty"`
	//FIXME: ulimits is not exacly a string or slice of strings
	Ulimits		[]string	`yaml:"ulimits,omitempty"`
	VolumeDriver  string            `yaml:"volume_driver,omitempty"`
	Volumes       []string          `yaml:"volumes,omitempty"`
	VolumesFrom   []string          `yaml:"volumes_from,omitempty"`
	Uts           string            `yaml:"uts,omitempty"`
	Restart       string            `yaml:"restart,omitempty"`
	ReadOnly      bool              `yaml:"read_only,omitempty"`
	StdinOpen     bool              `yaml:"stdin_open,omitempty"`
	Tty           bool              `yaml:"tty,omitempty"`
	User          string            `yaml:"user,omitempty"`
	WorkingDir    string            `yaml:"working_dir,omitempty"`
}