Added commonly used error_info typedefs.

Added boost/exception/all.hpp.
Removed tabs from source files.

[SVN r54825]

include/boost/exception/errinfo_at_line.hpp

@@ -0,0 +1,18 @@
+//Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc.
+
+//Distributed under the Boost Software License, Version 1.0. (See accompanying
+//file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef UUID_E7255CE26C1211DE85800C9155D89593
+#define UUID_E7255CE26C1211DE85800C9155D89593
+
+namespace
+boost
+    {
+    template <class Tag,class T> class error_info;
+
+    //Use with parsing errors exceptions, for example in a XML file parser.
+    typedef error_info<struct errinfo_at_line_,int> errinfo_at_line;
+    }
+
+#endif