First development of the deploy action (#6)

Deploy js code to an instance of screeps.
Some debugging tools are implemented.

Reviewed-on: #6
Co-authored-by: Philipp Horstenkamp <philipp@horstenkamp.de>
Co-committed-by: Philipp Horstenkamp <philipp@horstenkamp.de>

node_modules/prebuild-install/proxy.js

@@ -0,0 +1,36 @@
+var url = require('url')
+var tunnel = require('tunnel-agent')
+var noop = Object.assign({
+  http: function () {},
+  silly: function () {}
+}, require('noop-logger'))
+
+function applyProxy (reqOpts, opts) {
+  var log = opts.log || noop
+
+  var proxy = opts['https-proxy'] || opts.proxy
+
+  if (proxy) {
+    var parsedDownloadUrl = url.parse(reqOpts.url)
+    var parsedProxy = url.parse(proxy)
+    var uriProtocol = (parsedDownloadUrl.protocol === 'https:' ? 'https' : 'http')
+    var proxyProtocol = (parsedProxy.protocol === 'https:' ? 'Https' : 'Http')
+    var tunnelFnName = [uriProtocol, proxyProtocol].join('Over')
+    reqOpts.agent = tunnel[tunnelFnName]({
+      proxy: {
+        host: parsedProxy.hostname,
+        port: +parsedProxy.port,
+        proxyAuth: parsedProxy.auth
+      }
+    })
+    log.http('request', 'Proxy setup detected (Host: ' +
+    parsedProxy.hostname + ', Port: ' +
+      parsedProxy.port + ', Authentication: ' +
+      (parsedProxy.auth ? 'Yes' : 'No') + ')' +
+      ' Tunneling with ' + tunnelFnName)
+  }
+
+  return reqOpts
+}
+
+module.exports = applyProxy