bind object properties to UI widgets
expose Widget::Bind to Lua
disconnect binds on widget destruction
Merge remote-tracking branch 'robn/ui-bind-properties'
start of a gauge widget
set up fill mask and fill texture for gauge, and attempt drawing. not working
add dest alpha buffer, fix mask, and sort out sizing. thanks @Luomu
use narrower widget for gauge
gauge value
set blend modes through the renderer
expose gauge functions to lua
add fuel gauge to cargo page
gauge warning and critical levels
allow an aligned element to expand
new boot screen
gauge wrapper with numbers
set initial levels out of range, and ignore them if they haven't been changed
cargo gauge
allow blend mode to be set for individual skin draw ops
do gauge draw blending through the skin ops