Issue 10: Implement 'make distclean'
Issue 10: Implement 'make distclean'

* Makefile.in
  (clean): Delete .libs dirs
  (distclean): New target

Submitted by: noritadak
Reviewed by: Justin


git-svn-id: 683495cb1553624b05a54e2ba9533425f69cf277@1092 61a7d7f5-40b7-0310-9c16-bb0ea8cb1845

coapp-packages/serf,coapp-packages/serf,coapp-packages/serf