Merge lexical_cast from trunk :

* force SunCC compiler to use fallback version of lexical_cast (with fallbak version SunCC can pass at least some tests)
* removed trailing whitespaces

[SVN r78565]

test/Jamfile.v2

@@ -11,20 +11,20 @@ import feature ;
 project
     : requirements
         <library>/boost/test//boost_unit_test_framework
-        <link>static 
+        <link>static
         <toolset>gcc-4.8:<define>BOOST_STL_SUPPORTS_NEW_UNICODE_LOCALES
     ;
 
-# Thanks to Steven Watanabe for helping with <nowchar> feature 
+# Thanks to Steven Watanabe for helping with <nowchar> feature
 feature.feature nowchar : on :
  composite optional propagated link-incompatible ;
 feature.compose <nowchar>on : <cxxflags>/Zc:wchar_t- ;
- 
+
 test-suite conversion
   : [ run implicit_cast.cpp ]
     [ compile-fail implicit_cast_fail.cpp ]
     [ run ../cast_test.cpp ]
-    [ run ../numeric_cast_test.cpp ]    
+    [ run ../numeric_cast_test.cpp ]
     [ run ../lexical_cast_test.cpp ]
     [ run lexical_cast_loopback_test.cpp ]
     [ run lexical_cast_abstract_test.cpp ]
@@ -39,7 +39,7 @@ test-suite conversion
     [ compile lexical_cast_typedefed_wchar_test.cpp : <toolset>msvc:<nowchar>on ]
     [ run lexical_cast_typedefed_wchar_test_runtime.cpp : : : <toolset>msvc:<nowchar>on <toolset>msvc,<stdlib>stlport:<build>no ]
     [ run lexical_cast_no_locale_test.cpp : : : <define>BOOST_NO_STD_LOCALE <define>BOOST_LEXICAL_CAST_ASSUME_C_LOCALE ]
-    [ run lexical_cast_no_exceptions_test.cpp : : : <define>BOOST_NO_EXCEPTIONS 
+    [ run lexical_cast_no_exceptions_test.cpp : : : <define>BOOST_NO_EXCEPTIONS
       <toolset>gcc-4.3:<cflags>-fno-exceptions
       <toolset>gcc-4.4:<cflags>-fno-exceptions
       <toolset>gcc-4.5:<cflags>-fno-exceptions