feature(cloudcmd) add ability to override editor with CLOUDCMD_EDITOR environment variable

HELP.md

@@ -329,6 +329,7 @@ Here is description of options:
 
 Some config options can be overridden with `environment variables` such:
 
+- `CLOUDCMD_EDITOR` - set editor
 - `CLOUDCMD_TERMINAL` - enable terminal
 - `CLOUDCMD_TERMINAL_PATH` - set terminal path
 - `CLOUDCMD_CONFIG_DIALOG` - enable config dialog

app.json

@@ -17,6 +17,11 @@
           "value": "false",
           "required": false
       },
+      "CLOUDCMD_EDITOR": {
+          "description": "set editor",
+          "value": "edward",
+          "required": false
+      },
       "CLOUDCMD_TERMINAL": {
           "description": "enable terminal",
           "value": "true",

bin/cloudcmd.js

@@ -51,7 +51,7 @@ const args = require('minimist')(argv.slice(2), {
         minify      : config('minify'),
         online      : config('online'),
         open        : config('open'),
-        editor      : config('editor') || 'edward',
+        editor      : choose(env('editor'), config('editor')) || 'edward',
         packer      : config('packer') || 'tar',
         zip         : config('zip'),
         username    : config('username'),