expand tabs into spaces
move language files
upgrade minify to 2.1.7
remove unnecessary scripts
modify DZ::get() to make use of DZConfig class
remove DZ::addStyleMinify()
remove mod_menu override
default style for menu
add auto minify ability to DZ::addScript()
fix layout for position config input
use built-in color input
use class btn-group for radio input
add message jdoc on front end
language attributes in html tag
change some language string
add more bottom margin for each visual table