Output dummy puts statements for tag nodes

This fixes a bug where code like the following:

    - [1, 2, 3].each do |value|
      %p= value

...would incorrectly report a lint via the `Style/SymbolProc` cop.

Change-Id: Ic7cf787259b5d94093a7f4c4e15b40e3418c802c
Reviewed-on: http://gerrit.causes.com/45075
Tested-by: jenkins <jenkins@brigade.com>
Reviewed-by: Shane da Silva <shane.dasilva@brigade.com>