fix missing logo functions-reference

Author: mitzimorris

docs/2_21/functions-reference/functions-1d-integrator.html

@@ -716,9 +716,6 @@ <h3 number="9.3.1"><span class="header-section-number">9.3.1</span> Specifying a
 <div id="call-to-the-1d-integrator" class="section level3">
 <h3 number="9.3.2"><span class="header-section-number">9.3.2</span> Call to the 1D Integrator</h3>
 <!-- vector; integrate_1d; (function integrand, real a, real b, real[] theta, real[] x_r, int[] x_i); -->
-<p></p>
-<p><code>vector</code> <strong><code>integrate_1d</code></strong> <code>(function integrand, real a, real b, real[] theta, real[] x_r, int[] x_i)</code><br>
-Integrates the integrand from a to b.</p>
 <!-- vector; integrate_1d; (function integrand, real a, real b, real[] theta, real[] x_r, int[] x_i), real relative_tolerance); -->
 <p></p>
 <p><code>vector</code> <strong><code>integrate\_1d</code></strong> <code>(function integrand, real a, real b, real[] theta, real[] x_r, int[] x_i, real relative_tolerance)</code><br>
@@ -751,10 +748,7 @@ <h4 number="9.3.2.1"><span class="header-section-number">9.3.2.1</span> Argument
 <li><em><code>theta</code></em>: parameters only, type <code>real[]</code>,</li>
 <li><em><code>x_r</code></em>: real data only, type <code>real[]</code>,</li>
 <li><em><code>x_i</code></em>: integer data only, type <code>int[]</code>.</li>
-</ul>
-<p>A <code>relative_tolerance</code> argument can also be provided for more control over the algorithm:</p>
-<ul>
-<li><em><code>relative_tolerance</code></em>: relative tolerance for the 1d integrator, type <code>real</code>, data only.</li>
+<li><em><code>relative_tolerance</code></em>: relative tolerance for the 1d integrator (recommended default of 1e-8), type <code>real</code>, data only.</li>
 </ul>
 </div>
 <div id="return-value-1" class="section level4">

docs/2_21/functions-reference/index.html

@@ -693,7 +693,7 @@ <h2 class="subtitle"><em>Version 2.21</em></h2>
 </div>
 <div id="overview" class="section level1">
 <h1 class="unnumbered" number=""><i style="font-size: 110%; padding:1.5em 0 0 0; color:#990017;">Overview</i></h1>
-<p><img style="float:right; margin: -2em 0em 4em 4em" src="/Users/mitzi/github/stan-dev/docs/src/img/logo_tm.png" width="225" alt="Stan logo" /></p>
+<p><img style="float:right; margin: -2em 0em 4em 4em" src="img/logo_tm.png" width="225" alt="Stan logo" /></p>
 <div id="about" class="section level4">
 <h4 class="unnumbered" number="">About</h4>
 <p>This is the reference for the functions defined in the Stan math