[PATCH] Add a C++ thread with attributes

[chrisj at rtems.org]

Hi,                                                 

This patch adds C++ thread support that is similar to the standard                                      
C++ std::thread class however it has attributes so you can control                                      
a thread priority, stack size and other attributes. 

The patch is against Sebastian's waf build repo. I would like it                                        
say it was a pleasure to add the new files to the new build system.                                     
Well done Sebastian it is really great.             

Chris