remove old cached_* functions from __all__ and populate __all__ for linux platform only
remove old cached_* functions from __all__ and populate __all__ for linux platform only

djhaskin987/psutil,kiranvizru/psutil,zhengzheng/psutil,vmolsa/psutil,huson2012/psutil,vmolsa/psutil,skyshe/psutil,skyshe/psutil,google-code-export/psutil,tigerneil/psutil,marmolu/psutil,creativewild/psutil,djhaskin987/psutil,marmolu/psutil,tigerneil/psutil,huson2012/psutil,skyshe/psutil,zhengzheng/psutil,Alwnikrotikz/psutil,google-code-export/psutil,djhaskin987/psutil,creativewild/psutil,vmolsa/psutil,skyshe/psutil,peter-hst/psutil,end18/psutil,peter-hst/psutil,vmolsa/psutil,stupidcache/psutil,tigerneil/psutil,AlanZatarain/psutil,stupidcache/psutil,AlanZatarain/psutil,Alwnikrotikz/psutil,nmani1905/psutil,shiva21/psutil,tigerneil/psutil,kiranvizru/psutil,chjwang/psutil,kiranvizru/psutil,jucapj/psutil,google-code-export/psutil,djhaskin987/psutil,kiranvizru/psutil,nmani1905/psutil,huson2012/psutil,jucapj/psutil,anfedorov/psutil,end18/psutil,creativewild/psutil,end18/psutil,PFZheng/psutil,anfedorov/psutil,end18/psutil,chjwang/psutil,stupidcache/psutil,google-code-export/psutil,shiva21/psutil,PFZheng/psutil