Various doc tweaks (2-spaces vs tabs, EOL-whitespace, repl prompt, "world" vs "World", etc...)

doc/api/addons.markdown

@@ -43,7 +43,7 @@ To get started we create a file `hello.cc`:
     init (Handle<Object> target)
     {
       HandleScope scope;
-      target->Set(String::New("hello"), String::New("World"));
+      target->Set(String::New("hello"), String::New("world"));
     }
 
 This source code needs to be built into `hello.node`, the binary Addon. To

doc/api/repl.markdown

@@ -10,9 +10,9 @@ dropped into the REPL. It has simplistic emacs line-editing.
 
     mjr:~$ node
     Type '.help' for options.
-    node> a = [ 1, 2, 3];
+    > a = [ 1, 2, 3];
     [ 1, 2, 3 ]
-    node> a.forEach(function (v) {
+    > a.forEach(function (v) {
     ...   console.log(v);
     ...   });
     1
@@ -27,10 +27,10 @@ For example, you could add this to your bashrc file:
     alias node="env NODE_NO_READLINE=1 rlwrap node"
 
 
-### repl.start(prompt='node> ', stream=process.openStdin())
+### repl.start(prompt='> ', stream=process.openStdin())
 
 Starts a REPL with `prompt` as the prompt and `stream` for all I/O.  `prompt`
-is optional and defaults to `node> `.  `stream` is optional and defaults to 
+is optional and defaults to `> `.  `stream` is optional and defaults to
 `process.openStdin()`.
 
 Multiple REPLs may be started against the same running instance of node.  Each
@@ -70,11 +70,11 @@ Inside the REPL, Control+D will exit.  Multi-line expressions can be input.
 
 The special variable `_` (underscore) contains the result of the last expression.
 
-    node> [ "a", "b", "c" ]
+    > [ "a", "b", "c" ]
     [ 'a', 'b', 'c' ]
-    node> _.length 
+    > _.length
     3
-    node> _ += 1
+    > _ += 1
     4
 
 The REPL provides access to any variables in the global scope. You can expose a variable
@@ -90,7 +90,7 @@ to the REPL explicitly by assigning it to the `context` object associated with e
 Things in the `context` object appear as local within the REPL:
 
     mjr:~$ node repl_test.js
-    node> m
+    > m
     'message'
 
 There are a few special REPL commands: