Windows zip file support and various other fixes for dist.sh
Windows zip file support and various other fixes for dist.sh

* dist.sh
  Add -zip option to request a windows zip file
  Add support for apr-iconv include the -api option 
  Fix the default path for apr-util
  Don't try and run make targets if the Makefiles don't exist
  Remove any autom4te.cache directories still left around



git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@850561 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion