resources: Rename the Data struct to ResData to avoid ambiguity

There's a similarly named gapi.Data struct which we could also rename.

lib/main.go

@@ -371,7 +371,7 @@ func (obj *Main) Run() error {
 		EmbdEtcd: EmbdEtcd,
 	}
 
-	graph.Data = &resources.Data{
+	graph.Data = &resources.ResData{
 		Hostname:   hostname,
 		Converger:  converger,
 		Prometheus: prom,

resources/mgraph.go

@@ -42,7 +42,7 @@ type MGraph struct {
 	//Graph *pgraph.Graph
 	*pgraph.Graph // wrap a graph, and use its methods directly
 
-	Data  *Data
+	Data  *ResData
 	Debug bool
 
 	state graphState

resources/resources.go

@@ -93,8 +93,8 @@ type World interface { // TODO: is there a better name for this interface?
 	StrMapDel(namespace string) error
 }
 
-// Data is the set of input values passed into the pgraph for the resources.
-type Data struct {
+// ResData is the set of input values passed into the pgraph for the resources.
+type ResData struct {
 	Hostname string // uuid for the host
 	//Noop     bool
 	Converger  converger.Converger
@@ -183,7 +183,7 @@ type Base interface {
 	String() string
 	Meta() *MetaParams
 	Events() chan *event.Event
-	Data() *Data
+	Data() *ResData
 	Working() *bool
 	Setup(*pgraph.Graph, pgraph.Vertex, Res)
 	Update(*pgraph.Graph)
@@ -243,7 +243,7 @@ type BaseRes struct {
 	Name       string     `yaml:"name"`
 	MetaParams MetaParams `yaml:"meta"` // struct of all the metaparams
 
-	data      Data
+	data      ResData
 	timestamp int64 // last updated timestamp
 	state     ResState
 	prefix    string // base prefix for this resource
@@ -459,7 +459,7 @@ func (obj *BaseRes) Events() chan *event.Event {
 }
 
 // Data returns an associable handle to some data passed in to the resource.
-func (obj *BaseRes) Data() *Data {
+func (obj *BaseRes) Data() *ResData {
 	return &obj.data
 }