Check for dropped files first to avoid error reading dataTransfer in IE
Check for dropped files first to avoid error reading dataTransfer in IE

ChenMichael/trix,urossmolnik/trix,urossmolnik/trix,basecamp/trix,basecamp/trix,urossmolnik/trix,GabiGrin/trix,basecamp/trix,basecamp/trix,ChenMichael/trix,ChenMichael/trix,GabiGrin/trix,GabiGrin/trix