Trim the installation and usage sections; can backport to v1

documentation/sections/installation.md

@@ -1,27 +1,15 @@
 ## Installation
 
-The CoffeeScript compiler is itself [written in CoffeeScript](v<%= majorVersion %>/annotated-source/grammar.html), using the [Jison parser generator](http://jison.org). The command-line version of `coffee` is available as a [Node.js](http://nodejs.org/) utility. The [core compiler](v<%= majorVersion %>/browser-compiler/coffee-script.js) however, does not depend on Node, and can be run in any JavaScript environment, or in the browser (see “Try CoffeeScript”, above).
+The command-line version of `coffee` is available as a [Node.js](http://nodejs.org/) utility. The [core compiler](v<%= majorVersion %>/browser-compiler/coffee-script.js) however, does not depend on Node, and can be run in any JavaScript environment, or in the browser (see [Try CoffeeScript](#try)).
 
 To install, first make sure you have a working copy of the latest stable version of [Node.js](http://nodejs.org/). You can then install CoffeeScript globally with [npm](http://npmjs.org):
 
 > ```
-npm install -g coffee-script
+npm install --global coffee-script
 ```
 
-When you need CoffeeScript as a dependency, install it locally:
+When you need CoffeeScript as a dependency of a project, within that project’s folder you can install it locally:
 
 > ```
 npm install --save coffee-script
 ```
-
-If you’d prefer to install the latest **master** version of CoffeeScript, you can clone the CoffeeScript [source repository](http://github.com/jashkenas/coffeescript) from GitHub, or download [the source](http://github.com/jashkenas/coffeescript/tarball/master) directly. To install the latest master CoffeeScript compiler with npm:
-
-> ```
-npm install -g jashkenas/coffeescript
-```
-
-Or, if you want to install to `/usr/local`, and don’t want to use npm to manage it, open the `coffee-script` directory and run:
-
-> ```
-sudo bin/cake install
-```

documentation/sections/usage.md

@@ -48,14 +48,6 @@ Once installed, you should have access to the `coffee` command, which can execut
 
 <tr>
 
-<td>`-j, --join [FILE]`</td>
-
-<td>Before compiling, concatenate all scripts together in the order they were passed, and write them into the specified file. (Deprecated.)</td>
-
-</tr>
-
-<tr>
-
 <td>`-w, --watch`</td>
 
 <td>Watch files for changes, rerunning the specified command when any file is updated.</td>