Shell updates (bonds, updated Dapps) (#6897)

* Remove stage-0

* Re-add stage-0 for `export default from './xyz';`

* Add background loading image

* Add window.isParity for parity-specific actions

* inject bonds (temporary)

* Remove loading text overlay

* Remove background around logo

* Remove debug log

* Fix account selection (correct component used)

* Update with changed dapp dependencies

* Add oo7 to list of babel node_module targets

* injectObjects -> onDappLoad

js/webpack/rules/parity.js

@@ -16,7 +16,7 @@
 
 module.exports = {
   test: /\.js$/,
-  include: /node_modules\/@parity\//,
+  include: /node_modules\/(@parity|oo7)\//,
   use: [ {
     loader: 'happypack/loader',
     options: {