Update documentation list for beta.

Actually the current master, but should be close enough.

doc/libraries.xml

@@ -660,6 +660,17 @@
     <documentation>libs/conversion/</documentation>
     <category>Miscellaneous</category>
   </library>
+  <library>
+    <key>convert</key>
+    <module>convert</module>
+    <update-version>1.59.0 beta1</update-version>
+    <name>Convert</name>
+    <authors>Vladimir Batov</authors>
+    <maintainers>Vladimir Batov &lt;vbmail247 -at- gmail.com&gt;</maintainers>
+    <description>An extendible and configurable type-conversion framework.</description>
+    <documentation>libs/convert/</documentation>
+    <category>String</category>
+  </library>
   <library>
     <key>convert</key>
     <module>convert</module>
@@ -727,7 +738,7 @@
   <library>
     <key>coroutine2</key>
     <module>coroutine2</module>
-    <update-version>master</update-version>
+    <update-version>1.59.0 beta1</update-version>
     <name>Coroutine2</name>
     <authors>Oliver Kowalke</authors>
     <maintainers>Oliver Kowalke &lt;oliver.kowalke -at- gmail.com&gt;</maintainers>
@@ -1525,6 +1536,18 @@
     <documentation>libs/lexical_cast/</documentation>
     <category>String</category>
   </library>
+  <library>
+    <key>lexical_cast</key>
+    <module>lexical_cast</module>
+    <boost-version>1.20.0</boost-version>
+    <update-version>1.59.0 beta1</update-version>
+    <name>Lexical Cast</name>
+    <authors>Kevlin Henney</authors>
+    <maintainers>Antony Polukhin &lt;antoshkka -at- gmail.com&gt;</maintainers>
+    <description>General literal text conversions, such as an int represented a string, or vice-versa.</description>
+    <documentation>libs/lexical_cast/</documentation>
+    <category>String</category>
+  </library>
   <library>
     <key>lexical_cast</key>
     <module>lexical_cast</module>
@@ -2293,7 +2316,7 @@
     <key>program_options</key>
     <module>program_options</module>
     <boost-version>1.32.0</boost-version>
-    <update-version>master</update-version>
+    <update-version>1.59.0 beta1</update-version>
     <name>Program Options</name>
     <authors>Vladimir Prus</authors>
     <maintainers>Vladimir Prus &lt;vladimir.prus -at- gmail.com&gt;</maintainers>
@@ -3316,6 +3339,20 @@
     <category>Memory</category>
     <category>Patterns</category>
   </library>
+  <library>
+    <key>utility</key>
+    <module>utility</module>
+    <boost-version>1.13.0</boost-version>
+    <update-version>1.59.0 beta1</update-version>
+    <name>Utility</name>
+    <authors>Dave Abrahams and others</authors>
+    <description>Class noncopyable plus checked_delete(), checked_array_delete(), next(), prior() function templates, plus base-from-member idiom.</description>
+    <documentation>libs/utility/utility.htm</documentation>
+    <category>Algorithms</category>
+    <category>Function-objects</category>
+    <category>Memory</category>
+    <category>Patterns</category>
+  </library>
   <library>
     <key>utility</key>
     <module>utility</module>