Merge v1.2.1-master

Signed-off-by: Emile Vauge <emile@vauge.com>

vendor/github.com/JamesClonk/vultr/lib/regions.go

@@ -1,5 +1,7 @@
 package lib
 
+import "sort"
+
 // Region on Vultr
 type Region struct {
 	ID           int    `json:"DCID,string"`
@@ -12,6 +14,20 @@ type Region struct {
 	Code         string `json:"regioncode"`
 }
 
+type regions []Region
+
+func (s regions) Len() int      { return len(s) }
+func (s regions) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
+func (s regions) Less(i, j int) bool {
+	// sort order: continent, name
+	if s[i].Continent < s[j].Continent {
+		return true
+	} else if s[i].Continent > s[j].Continent {
+		return false
+	}
+	return s[i].Name < s[j].Name
+}
+
 // GetRegions returns a list of all available Vultr regions
 func (c *Client) GetRegions() ([]Region, error) {
 	var regionMap map[string]Region
@@ -23,5 +39,6 @@ func (c *Client) GetRegions() ([]Region, error) {
 	for _, os := range regionMap {
 		regionList = append(regionList, os)
 	}
+	sort.Sort(regions(regionList))
 	return regionList, nil
 }