Comment level doc for #205

doc/mainpage.dox

@@ -22,7 +22,7 @@ If you need reference on a specific file, the <a href="files.html">files</a> pag
   /*! \defgroup Access Access Control and Disambiguation
       Provides ways to give cereal access to protected member functions, disambiguate
       which serialization function cereal should use, and provide ways of using smart
-      pointers with types that have no default constructor */
+      pointers with types that have no default constructor. */
 
   /*! \defgroup Utility Utility Functionality
       Name-value pairs, binary data wrappers, exceptions, and other utility functions */
@@ -31,7 +31,11 @@ If you need reference on a specific file, the <a href="files.html">files</a> pag
       Serialization of many types is shipped with cereal, including most of the standard library as well as a few others.  */
 
   /*! \defgroup STLSupport Standard Library Support
-      Serialization methods for nearly all types found in the C++ standard library
+      Serialization methods for nearly all types found in the C++ standard library.
+      \ingroup TypeSupport */
+  
+  /*! \defgroup TypeConcepts Abstract Type Concept Support
+      Serialization methods for more abstract type concepts that can generalize over many types.
       \ingroup TypeSupport */
 
   /*! \defgroup OtherTypes Miscellaneous Types Support

include/cereal/concepts/pair_associative_container.hpp

@@ -1,7 +1,7 @@
 /*! \file pair_associative_container.hpp
     \brief Support for the PairAssociativeContainer refinement of the
     AssociativeContainer concept.
-    \ingroup STLSupport */
+    \ingroup TypeConcepts */
 /*
   Copyright (c) 2014, Randolph Voorhies, Shane Grant
   All rights reserved.