o Rename index.htm into index.php
o Add index.php on all sub-directories
o Use an uniform source code of index.php (like /include/index.php)
(/index.php is of course not changed)
Merge BSF r1480:1481 into branch-1_6
git-svn-id: http://piwigo.org/svn/branches/branch-1_6@1482 68402e56-0260-453c-a942-63ccdbb3a9ee