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>
4: I102 copyright year is outdated, expected 2014 but got 2013
33:1: F401 'nottest' imported but unused
36:1: E302 expected 2 blank lines, found 1
36: D209 Put multi-line docstring closing quotes on separate line
36: D400 First line should end with '.', not 'n'
36: D205 Blank line missing between one-line summary and description
43:1: E302 expected 2 blank lines, found 1
43: D203 Expected 1 blank line *before* class docstring, found 0
47: D400 First line should end with '.', not 'd'
60: D400 First line should end with '.', not 'e'
73: D203 Expected 1 blank line *before* class docstring, found 0
73: D204 Expected 1 blank line *after* class docstring, found 0
73: D400 First line should end with '.', not 'k'
75: D102 Docstring missing
83: D400 First line should end with '.', not 'y'
90: D400 First line should end with '.', not 'e'
95: D400 First line should end with '.', not 'e'
100: D400 First line should end with '.', not 'e'
105: D400 First line should end with '.', not 'e'
110: D400 First line should end with '.', not 'd'
115: D400 First line should end with '.', not 'd'
120: D400 First line should end with '.', not 'L'
127: D400 First line should end with '.', not 'n'