Config specification v2 (#1576)

* Read yaml config

* Testing groupd for v2

* Allow verbose logging

* Implement plugin system

* Properly run steps, actions, and substeps

* Call plugin with immediate value

* Implement core:group and core:user_action steps

* implement core:download action

* Implement core:unpack action

* Implement core:manual_download

* Implement fastboot:oem_unlock and fastboot:flashing_unlock steps

* Move more stuff to handlers

* Allow resuming and retrying

* test end screen

* Test some error handling

* Nuke devices.js

* Implement remote_values plugins

* Disuse some globals

* Fix tests

* Begin restructuring plugins

* Implement props object

* Implement plugin index class

* restructuring

* some skips

* get rid of all globals except packageInfo

* Improve flow

* successful run of ubuntu touch on the nexus 5

* Deprecate ubports-api-node-module

* Arch optimization

* hand over mainEvent

* organize access to logger

* Do not require deviceTools from main

* Allow API to time out

* move deviceTools to core

* Move systemimage client to core

* read config from core

* Streamlining

* Implement eula

* Update deps

* Get correct channels

* fix issue where null device was detected

* Implement unlock code ui

__mocks__/7zip-min.js

@@ -0,0 +1,5 @@
+const _7z = {
+  unpack: jest.fn().mockImplementation((a, b, cb) => cb())
+};
+
+module.exports = _7z;

__mocks__/axios.js

@@ -0,0 +1,8 @@
+const axios = {
+  get: jest.fn().mockResolvedValue(),
+  create: jest.fn()
+};
+
+axios.create.mockReturnValue(axios);
+
+module.exports = axios;

__mocks__/fs-extra.js

@@ -1,6 +1,8 @@
 const fs = {
-  ensureDir: jest.fn(),
-  emptyDir: jest.fn()
+  ensureDir: jest.fn().mockResolvedValue(),
+  copyFile: jest.fn().mockResolvedValue(),
+  emptyDir: jest.fn(),
+  readdirSync: jest.fn().mockReturnValue([])
 };
 
 module.exports = fs;

__mocks__/progressive-downloader.js

@@ -0,0 +1,18 @@
+const { speed } = require("jquery");
+
+const dl = {
+  checkFile: jest.fn().mockResolvedValue(true),
+  download: jest.fn().mockImplementation((files, progress, next, activity) =>
+    Promise.resolve().then(() => {
+      activity("preparing");
+      activity("downloading");
+      next(0, files.length);
+      progress(0, 0);
+      progress(0.5, 5);
+      files.forEach((f, i) => next(i + 1, files.length));
+      progress(1);
+    })
+  )
+};
+
+module.exports = dl;