Updates to readme for plain css useage.

README.md

@@ -100,6 +100,7 @@ In order to use this with plain css files, you need to install [`ember-cli-postc
 
 ```
 ember install ember-component-css
+ember install ember-cli-postcss
 npm install postcss-import --save-dev
 ```
 Then in your `ember-cli-build.js` you can configure it as such.
@@ -110,7 +111,7 @@ var CssImport = require('postcss-import');
 module.exports = function(defaults) {
   var app = new EmberAddon(defaults, {
     postcssOptions: {
-      filter: {
+      compile: {
         enabled: true,
         plugins: [{
           module: CssImport,
@@ -127,6 +128,7 @@ You can also add in [`postcss-cssnext`](https://github.com/MoOx/postcss-cssnext)
 postcss plugins in this way too.
 
 *Things like [`ember-cli-autoprefixer`](https://github.com/kimroen/ember-cli-autoprefixer) will work out of the box and do not need to be added in as a postcss plugin.*
+*Currently there is a bug where the pod-styles file will only run and be generated if there more the just the 'css' stylesheet extension registered. Until a proper fix for this is in place, you can refer to issue #178, and run `ember install buschtoens/fix-ember-component-css`. Thank you for your patience while we get this issue resolved.*
 
 ### Getting the generated class name