Remove unnecessary function() in renderXX
Make shiny.deprecation.messages option actually work
Empty numericInput gets converted to NA
Treat unused outputs as hidden
Merge pull request #108 from wch/unused-hidden

Treat unused outputs as hidden
Update NEWS
Merge pull request #107 from wch/numeric-na

Empty numericInput gets converted to NA
Add shiny metadata channel and send pixel ratio

This adds support for retina-resolution displays