Update the rendered documentation to 1.0 beta2

Update the PDF and HTML documentation to PSA Crypto API 1.0 beta2.

Documentation generated from psa-crypto at psa-crypto-api-1.0-beta2
with "make export".
diff --git a/docs/html/group__hash.html b/docs/html/group__hash.html
index b174b4c..ef7f322 100644
--- a/docs/html/group__hash.html
+++ b/docs/html/group__hash.html
@@ -24,7 +24,7 @@
  <tr style="height: 56px;">
   <td id="projectalign" style="padding-left: 0.5em;">
    <div id="projectname">Platform Security Architecture — cryptography and keystore interface
-   &#160;<span id="projectnumber">beta 1 — 2019-01-21</span>
+   &#160;<span id="projectnumber">beta 2 — 2019-02-22</span>
    </div>
   </td>
  </tr>
@@ -360,7 +360,7 @@
     <tr><td class="paramdir"></td><td class="paramname">input_length</td><td>Size of the <code>input</code> buffer in bytes. </td></tr>
     <tr><td class="paramdir">[out]</td><td class="paramname">hash</td><td>Buffer where the hash is to be written. </td></tr>
     <tr><td class="paramdir"></td><td class="paramname">hash_size</td><td>Size of the <code>hash</code> buffer in bytes. </td></tr>
-    <tr><td class="paramdir">[out]</td><td class="paramname">hash_length</td><td>On success, the number of bytes that make up the hash value. This is always <a class="el" href="crypto__sizes_8h.html#aef340331ce3cba2b57e1fc5624bf1f99">PSA_HASH_SIZE</a>(<code>alg</code>) where <code>alg</code> is the hash algorithm that is calculated.</td></tr>
+    <tr><td class="paramdir">[out]</td><td class="paramname">hash_length</td><td>On success, the number of bytes that make up the hash value. This is always <a class="el" href="crypto__sizes_8h.html#aef340331ce3cba2b57e1fc5624bf1f99">PSA_HASH_SIZE</a>(<code>alg</code>).</td></tr>
   </table>
   </dd>
 </dl>