Remove GOBIN in PATH dependency; don't assume cwd is $G...

doc/install.html

 <!-- Installing Go -->
 
 <h2>Introduction</h2>
 
 <p>Go is an open source project, distributed under a
 <a href="/LICENSE">BSD-style license</a>.
 This document explains how to check out the sources,
 build them on your own machine, and run them.
 </p>
 
@@ skipping 63 matching lines @@
         <td></td><td><code>nacl</code></td> <td><code>386</code></td>
         </tr>
         </table>
         <p>
 </dd>
 
 <dt>
 <code>$GOBIN</code> (optional)
 </dt>
 <dd>
-        <code>$GOBIN</code> is a path to a directory under which go compilers and tools are

[rsc, 2009/12/11 21:51:17]

This doesn't match the form of the others in the list.
A smaller change:

    The location where binaries will be installed.
    The default is <code>$HOME/bin</code>.
    After installing, you will want to arrange to add this
    directory to your <code>$PATH</code>, so you can use the tools.

-        installed. If unset, it defaults to <code>$HOME/bin</code>. It is recommended, but
-        not necessary, for this directory to exist within your <code>$PATH</code>.
+        The location where binaries will be installed.
+        The default is <code>$HOME/bin</code>.
+        After installing, you will want to arrange to add this
+        directory to your <code>$PATH</code>, so you can use the tools.
 </dd>
 </dl>
 
 <p>
 Note that <code>$GOARCH</code> and <code>$GOOS</code> identify the
 <em>target</em> environment, not the environment you are running on.
 In effect, you are always cross-compiling.
 </p>
 
 <p>
@@ skipping 98 matching lines @@
 
 <pre>
 $ sudo apt-get install bison gcc libc6-dev ed make
 </pre>
 
 <p>
 (or the equivalent on your Linux distribution).
 </p>
 
 <p>
-After these requisite utilities are installed, optionally set

[rsc, 2009/12/11 21:51:17]

too many text changes.

To build the Go distribution, run

-<code>$GOBIN</code> to a directory in which you'd like to install
-Go compilers and utilities, and run
+To build the Go distribution, run
 </p>
 
 <pre>
 $ cd $GOROOT/src
 $ make all
 </pre>
 
 <p>
 If <code>make all</code> goes well, it will finish by printing
 </p>
@@ skipping 100 matching lines @@
 Bugs can be reported using the <a href="http://code.google.com/p/go/issues/list">Go issue tracker</a>.
 </p>
 
 <p>
 For those who wish to keep up with development,
 there is another mailing list, <a href="http://groups.google.com/group/golang-checkins">golang-checkins</a>,
 that receives a message summarizing each checkin to the Go repository.
 </p>