WebStyle: goto regression test fixes

* Improves goto_engine related regression tests to take into account
  recent modification to the Atlantis Demo site, in particular
  with respect to restriction and file formats.
  (closes #1293)

Signed-off-by: Samuele Kaplun <samuele.kaplun@cern.ch>
1: D400 First line should end with '.', not 'd'
1: D205 Blank line missing between one-line summary and description
4: I102 copyright year is outdated, expected 2014 but got 2012
29:1: E302 expected 2 blank lines, found 1
29: D400 First line should end with '.', not ','
29: D205 Blank line missing between one-line summary and description