- fixing problem where updating 'uploading...' message with error
message was out of synch and not updating the correct row

- also fixed problem if uploading by 'browse' then dropzone
or visa versa would get updating of 'uploading...' messages out of synch

To test either upload a file that is too big via dropzone or upload
files via browse button then upload files by dropzone - you should be
left with messages containing the 'loading' gif after the success or
error message has been added to screen

Change-Id: I2a41b3b37a9a1e911a11367509e03910f5c748c8
Signed-off-by: Robert Lyon <robertl@catalyst.net.nz>