@produces does not handle wildcards properly

[karolmajta]

@produces('application/json')

will cause 406 when client accepts */*

@produces('application/json', '*/*')

works fine.

This should not require the second form. If client accepts */* then application/json response is perfectly valid.

[jackfirth]

+1, just hit this issue myself

[alexkalderimis]

@karolmajta see #3