feat(api/config): Add Lifecycle types into Config

Introducing lifecycle hooks into Deis workflow requires
that these types be added to config. This change is required
in order to make further changes to deiscli and in conjunction
with deis/controller#1311

Author: lshemesh

api/config.go

@@ -31,6 +31,10 @@ type Config struct {
 	// (ex 1) or in milli units to reflect the number of CPU shares (ex 500m).
 	CPU map[string]interface{} `json:"cpu,omitempty"`
 	// Healthcheck is map of healthchecks for each process that the application uses.
+	LifecyclePostStart map[string]interface{} `json:"lifecycle_post_start,omitempty"`
+	// LifecyclePostStart is a map of lifecycle hook handlers for each process that the application uses.
+	LifecyclePreStop map[string]interface{} `json:"lifecycle_pre_stop,omitempty"`
+	// LifecyclePreStop is a map of lifecycle hook handlers for each process that the application uses.
 	Healthcheck map[string]*Healthchecks `json:"healthcheck,omitempty"`
 	// Tags restrict applications to run on k8s nodes with that label.
 	Tags map[string]interface{} `json:"tags,omitempty"`