Remove $conf['default_theme'] from config file (useless).
Check if theme is still installed in pwg_get_themes.
git-svn-id: http://piwigo.org/svn/trunk@5306 68402e56-0260-453c-a942-63ccdbb3a9ee
manages template/theme in a simpler "theme only level" architecture. It
supports multiple level inheritance.
git-svn-id: http://piwigo.org/svn/trunk@5123 68402e56-0260-453c-a942-63ccdbb3a9ee