v3.0.6: minor updates for greenlock

package-lock.json

@@ -1,6 +1,6 @@
 {
 	"name": "@root/acme",
-	"version": "3.0.1",
+	"version": "3.0.6",
 	"lockfileVersion": 1,
 	"requires": true,
 	"dependencies": {

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "@root/acme",
-	"version": "3.0.5",
+	"version": "3.0.6",
 	"description": "Free SSL certificates for Node.js and Browsers. Issued via Let's Encrypt",
 	"homepage": "https://rootprojects.org/acme/",
 	"main": "acme.js",