Add blog post about modular vs monolithic AngularJS UMD bundles

Author: christopherthielen

_posts/2017-05-29-uirouter-for-angularjs-umd-bundles.md

@@ -19,7 +19,6 @@ This core library has been used to create new routers for
 [Polymer](https://github.com/ergo/polymer-ui-router), and even 
 [Backbone/Marionette](https://github.com/bobmanary/ui-router-marionette).
 
-
 ### Plugins and UMD bundles
 
 When UI-Router for AngularJS 1.0 was released, we split the bundles into `ui-router-core.js` and `ui-router-angularjs.js`.
@@ -30,13 +29,14 @@ Users who formerly included only `angular-ui-router.js` should now include both
 Add [`ui-router-core.js`](https://unpkg.com/@uirouter/core/_bundles/) from the [`@uirouter/core` package](https://github.com/ui-router/core)
 as well as [`ui-router-angularjs.js`](https://unpkg.com/@uirouter/[email protected]/release/) from the [`@uirouter/angularjs` package](https://github.com/angular-ui/ui-router).
 
-### Backwards compatibility mono-bundle
+### Backward compatible mono-bundle
 
-For backwards compatibility reasons, we will continue to publish a monolithic bundle as [`angular-ui-router.js`](https://unpkg.com/@uirouter/angularjs/release/).
+For backwards compatibility, we will continue to publish a monolithic bundle as [`angular-ui-router.js`](https://unpkg.com/@uirouter/angularjs/release/).
 This bundle includes *both the core and angularjs code*.
-However, this bundle is not compatible with many UI-Router plugins which depend on `@uirouter/core`.
+Existing users who rely on the `angular-ui-router.js` bundle do not have to change anything.
+However, this bundle is not compatible with UI-Router plugins which depend on `@uirouter/core`.
 
 ### Webpack users
 
-Users of webpack (or any bundlers which use node module resolution) should not need to make any changes because of UMD bundles.
+Users of webpack (or any bundlers which use node module resolution) should not need to make any changes due to these bundle changes.
 Simply `require` or `import` from the [scoped package](/blog/uirouter-scoped-packages/) `@uirouter/angularjs` instead of from `angular-ui-router`.