Update docs to mention libuv.

README.md

@@ -19,9 +19,9 @@ var adjectives = Fiber.new {
 while (!adjectives.isDone) IO.print(adjectives.call())
 ```
 
- *  **Wren is small.** The codebase is about [7,000 lines][src]. You can
+ *  **Wren is small.** The VM implementation is under [4,000 semicolons][src].
-    skim the whole thing in an afternoon. It's *small*, but not *dense*. It
+    You can skim the whole thing in an afternoon. It's *small*, but not
-    is readable and [lovingly-commented][nan].
+    *dense*. It is readable and [lovingly-commented][nan].
 
  *  **Wren is fast.** A fast single-pass compiler to tight bytecode, and a
     compact object representation help Wren [compete with other dynamic

doc/site/contributing.markdown

@@ -49,7 +49,7 @@ The basic process is simple:
     If there are no failures, you're good to go.
 
 2. **[Fork the repo][fork] so you can change it locally.** Please make your
-   changes in a separate [feature branches][] to make things a little easier on
+   changes in separate [feature branches][] to make things a little easier on
    me.
 
 3. **Change the code.** Please follow the style of the surrounding code. That
@@ -69,8 +69,9 @@ The basic process is simple:
    fun open source project! I'll take it from here and hopefully we'll get it
    landed smoothly.
 
-If at any point you have questions, feel free to [file an issue][issue] or
+If at any point you have questions, feel free to [file an issue][issue] or ask
-email me (`robert` at `stuffwithstuff.com`). *Thank you!*
+on the [mailing list][list]. You can also email me directly (`robert` at
+`stuffwithstuff.com`) if you want something less public. *Thank you!*
 
 [mit]: http://opensource.org/licenses/MIT
 [github]: https://github.com/munificent/wren

doc/site/getting-started.markdown

@@ -1,8 +1,22 @@
 ^title Getting Started
 
 Getting Wren up and running on your machine should be pretty straightforward.
-Tiny C programs with no dependencies are nice that way. If you're on a Unix or
+Tiny C programs with few dependencies are nice that way. "Wren" encompasses two
-Mac and you can rock a command line, it's just:
+separate artifacts:
+
+ *  **The virtual machine.** This is the core chunk of C that executes Wren
+    source code. It is just a library, not a standalone application. It's
+    designed to be [embedded][] in a larger host application. It has no dependencies beyond the C standard library. You can is use as a static library, shared library, or simply compile the source into your app.
+
+ *  **The command line executable.** Wren also ships with a CLI wrapper around
+    the VM. This gives you a way to run Wren code from the command-line, and
+    also includes modules for talking to the operating system. It depends on
+    [libuv][] for that.
+
+[embedded]: embedding-api.html
+[libuv]: http://libuv.org/
+
+If you're on a Unix or Mac and you can rock a command line, it's just:
 
     :::bash
     $ git clone https://github.com/munificent/wren.git
@@ -10,6 +24,8 @@ Mac and you can rock a command line, it's just:
     $ make
     $ ./wren
 
+This builds both the VM and the CLI. It downloads libuv automatically for you.
+The release build of the CLI goes right into the repo's top level directory.
 Binaries for other configurations are built to `bin/`. Static and shared
 libraries for embedding Wren get built in `lib/`.
 
@@ -18,6 +34,14 @@ Windows brethren, `project/msvc2013` contains a Visual Studio solution. Note
 that these may not have the exact same build settings as the makefile. The
 makefile is the "official" way to compile Wren.
 
+If you only want to build the VM, you can do:
+
+    :::bash
+    $ make vm
+
+This will compile the VM to static and shared libraries. It will not even
+download libuv since it isn't needed.
+
 ## Interactive mode
 
 The above instructions will drop you into Wren's standalone interpreter in

doc/site/index.markdown

@@ -20,9 +20,9 @@ a familiar, modern [syntax][].
 
     while (!adjectives.isDone) IO.print(adjectives.call())
 
- *  **Wren is small.** The codebase is about [7,000 lines][src]. You can
+ *  **Wren is small.** The VM implementation is under [4,000 semicolons][src].
-    skim the whole thing in an afternoon. It's *small*, but not *dense*. It
+    You can skim the whole thing in an afternoon. It's *small*, but not
-    is readable and [lovingly-commented][nan].
+    *dense*. It is readable and [lovingly-commented][nan].
 
  *  **Wren is fast.** A fast single-pass compiler to tight bytecode, and a
     compact object representation help Wren [compete with other dynamic