Use clang on OS X by default for building examples and tests

SConstruct

@@ -79,6 +79,8 @@ elif env['PLATFORM'] == 'posix':
    env.Append(CCFLAGS = ['-Wall'])
    #env['LINKFLAGS'] = ''
 elif env['PLATFORM'] == 'darwin':
+   if not os.environ.has_key('CXX'):
+      env['CXX'] = "clang++"
    if env.has_key('DEBUG'):
       env.Append(CCFLAGS = ['-g', '-O0'])
    else:

changelog.md

@@ -46,6 +46,8 @@ HEAD
   endpoints to new connections.
 - Compatibility: Fix compile time conflict with Visual Studio's MIN/MAX macros. Thank you
   Robin Rowe for reporting.
+- Documentation: Examples and test suite build system now defaults to clang on
+  OS X
 
 0.3.0-alpha4 - 2013-10-11
 - HTTP requests ending normally are no longer logged as errors. Thank you Banaan