set development version 1.5.33
Merged example data from branch 'master-1.5' into 'develop-1.5'
Merged README.md from 'master-1.5'
update gallery classes

copied gallery classes from the 'develop' branch
license headers updated
license headers updated
put .htaccess file into templates folder
private.php added

This file holds the private crypto key, that is used for session encryption and cookie creation.
set development version '1.5-dev'
merge version 1.5.34 from 'develop-1.5'