Give the correct location for stagedir. Fixes #3280.

[SVN r62702]

more/getting_started/detail/build-from-source-tail.rst

@@ -3,8 +3,9 @@
 .. file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
 Building the special ``stage`` target places Boost
-library binaries in the ``stage``\ |/|\ ``lib``\ |/| subdirectory of your `build
-directory`_.
+library binaries in the ``stage``\ |/|\ ``lib``\ |/| subdirectory of
+the Boost tree.  To use a different directory pass the
+``--stagedir=``\ *directory* option to ``bjam``.
 
 .. Note:: ``bjam`` is case-sensitive; it is important that all the
    parts shown in **bold** type above be entirely lower-case.

more/getting_started/unix-variants.html

@@ -448,8 +448,9 @@ $ bjam <strong>--build-dir=</strong>/tmp/build-boost <strong>toolset=</strong>gc
 <!-- Software License, Version 1.0. (See accompanying -->
 <!-- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) -->
 <p>Building the special <tt class="docutils literal">stage</tt> target places Boost
-library binaries in the <tt class="docutils literal">stage</tt><tt class="docutils literal">/</tt><tt class="docutils literal">lib</tt><tt class="docutils literal">/</tt> subdirectory of your <a class="reference internal" href="#build-directory">build
-directory</a>.</p>
+library binaries in the <tt class="docutils literal">stage</tt><tt class="docutils literal">/</tt><tt class="docutils literal">lib</tt><tt class="docutils literal">/</tt> subdirectory of
+the Boost tree.  To use a different directory pass the
+<tt class="docutils literal"><span class="pre">--stagedir=</span></tt><em>directory</em> option to <tt class="docutils literal">bjam</tt>.</p>
 <div class="note">
 <p class="first admonition-title">Note</p>
 <p class="last"><tt class="docutils literal">bjam</tt> is case-sensitive; it is important that all the

more/getting_started/windows.html

@@ -539,8 +539,9 @@ list</a>.</p>
 <!-- Software License, Version 1.0. (See accompanying -->
 <!-- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) -->
 <p>Building the special <tt class="docutils literal">stage</tt> target places Boost
-library binaries in the <tt class="docutils literal">stage</tt><tt class="docutils literal">\</tt><tt class="docutils literal">lib</tt><tt class="docutils literal">\</tt> subdirectory of your <a class="reference internal" href="#build-directory">build
-directory</a>.</p>
+library binaries in the <tt class="docutils literal">stage</tt><tt class="docutils literal">\</tt><tt class="docutils literal">lib</tt><tt class="docutils literal">\</tt> subdirectory of
+the Boost tree.  To use a different directory pass the
+<tt class="docutils literal"><span class="pre">--stagedir=</span></tt><em>directory</em> option to <tt class="docutils literal">bjam</tt>.</p>
 <div class="note">
 <p class="first admonition-title">Note</p>
 <p class="last"><tt class="docutils literal">bjam</tt> is case-sensitive; it is important that all the