feat(swaitch to acme-v2): switch to letsencrypt v2

ts/smartacme.plugins.ts

@@ -1,22 +1,5 @@
-import 'typings-global' // typings for node
-
-import * as path from 'path' // native node path module
-let rsaKeygen = require('rsa-keygen') // rsa keygen
-let rawacme = require('rawacme') // acme helper functions
-let nodeForge = require('node-forge')
-
-// push.rocks modules here
-import * as dnsly from 'dnsly'
-import * as smartdelay from 'smartdelay'
-import * as smartfile from 'smartfile'
-import * as smartstring from 'smartstring'
+import * as smartpromise from '@pushrocks/smartpromise';
 
 export {
-  dnsly,
-  rsaKeygen,
-  rawacme,
-  nodeForge,
-  smartdelay,
-  smartfile,
-  smartstring
-}
+  smartpromise
+}