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/gauge/error.js

@@ -0,0 +1,24 @@
+'use strict'
+var util = require('util')
+
+var User = exports.User = function User (msg) {
+  var err = new Error(msg)
+  Error.captureStackTrace(err, User)
+  err.code = 'EGAUGE'
+  return err
+}
+
+exports.MissingTemplateValue = function MissingTemplateValue (item, values) {
+  var err = new User(util.format('Missing template value "%s"', item.type))
+  Error.captureStackTrace(err, MissingTemplateValue)
+  err.template = item
+  err.values = values
+  return err
+}
+
+exports.Internal = function Internal (msg) {
+  var err = new Error(msg)
+  Error.captureStackTrace(err, Internal)
+  err.code = 'EGAUGEINTERNAL'
+  return err
+}