 Moved detail headers out of <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">container_hash</span><span class="special">/</span><span class="identifier">detail</span></code>,
          since they are part of functional/hash, not container_hash. <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">container_hash</span><span class="special">/</span><span class="identifie