[Development] The new headersclean is in

[Thiago Macieira]

As discussed in previous threads.

This is just a reminder because the compilation time for anyone using the 
option -developer-build is now increasing by 25-33%. If you need to bypass 
this option, pass -no-headersclean to your configure script.

-- 
Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel Open Source Technology Center