Enhance H233 rule

Python 2 use a single 'print' to print empty line, but Python 3
doesn't support print operator, we should use print() instead.

For now, H233 cannot detect the \bprint$ problem, this patch fixes
it by adding a new pattern of regular expression.

Change-Id: Ic7031fa4e92b2ad84e81795be54698d7a9a7725c
Merge "Enhance H233 rule"