Correct indent with trailing spaces/comments on previous line
One indent after open paren with no argument
Multiline comments with leading *s line up the *s
Align field names in struct expressions with fields on same line as the opening curly brace
auto merge of #8872 : MicahChalmer/rust/emacs-indent-fix, r=pnkfelix

This fixes some, but not all, of the issues mentioned in #8787