Issue 163 in svnbook: ch04: svn_load_dirs.pl referenced in vendor branch chapter no longer exist

[svnbook at googlecode.com]

Updates:
	Summary: ch04: svn_load_dirs.pl referenced in vendor branch chapter no  
longer exist
	Labels: Milestone-en-1.8

Comment #2 on issue 163 by cmpilato: ch04: svn_load_dirs.pl referenced in  
vendor branch chapter no longer exist
http://code.google.com/p/svnbook/issues/detail?id=163

These vendor branch sections have been problematic for far too long.  Must  
clean them up in 1.8.