Rename feedback fragment properties.
Rename feedback fragment properties.

The new FeedbackMessage class would conflict with the FeedbackMessage
property, thus renaming Feedback* to User*.

As a side effect, also reformatting the file.

eatskolnikov/mobile,eatskolnikov/mobile,peeedge/mobile,peeedge/mobile,ZhangLeiCharles/mobile,masterrr/mobile,eatskolnikov/mobile,ZhangLeiCharles/mobile,masterrr/mobile