Update README with install info for Espresso 2

Basically same as original:
hawx@026a153

Manual merge since it didn't apply cleanly via GitHub's interface.

readme.markdown

@@ -8,8 +8,29 @@ To install the sugar just open terminal and type:
 
 ## SASS Settings
 
-To use the sass convert features you don't need to do anything different, but I guess most people are like me and have a folder for sass files and another for css. To make the sass go into your css folder you will need to change the preferences.
+To use the sass convert features you don't need to do anything different, but I guess most people are like me and have a
+folder for sass files and another for css. To make the sass go into your css folder you will need to change the
+preferences.
 
-Open Espresso's preferences and navigate to Advanced. Then in the table called 'Custom shell variables', add an entry with name `SASS_DIRECTORY`, and set the value to the name of the folder you usually use for .sass files (eg. I set it to `_sass`). Then add another called `CSS_DIRECTORY` and set the value to the folder you usually use for css files (eg. `css`).
+### For Espresso 1
 
-__NOTE__: You cannot set per-project settings for this.
+Open Espresso's preferences and navigate to Advanced. Then in the table called 'Custom shell variables', add an entry
+with name `SASS_DIRECTORY`, and set the value to the name of the folder you usually use for .sass files (eg. I set
+it to `_sass`). Then add another called `CSS_DIRECTORY` and set the value to the folder you usually use for css
+files (eg. `css`).
+
+__NOTE__: You cannot set per-project settings for this.
+
+### For Espresso 2
+
+There are two options for this:
+
+1. Open `Sass.sugar/Support/create_css.rb` and change the variables being set on lines 9 and 10 to something like:
+
+        sass = '_sass'
+        css = 'css'
+
+2. Or set the variables in your `.bashrc` or `.zshrc` by adding:
+
+        export SASS_DIRECTORY="_sass"
+        export CSS_DIRECTORY="css"