Update wordpress url on wordpress example

The old url gave a 302 and wordpress 4.0 has also been released.
fix  insecure parameter
Signed-off-by: Nicolas Peters <peters.nico@gmail.com>
Merge pull request #584 from kevinsimper/patch-1

Update wordpress url on wordpress example
Fixes #602 Allowing `help $cmd` with no figfile

Signed-off-by: Michael A. Smith <michael@smith-li.com>
Merge pull request #606 from kojiromike/602-no-help-without-figfile

Fixes #602 Allowing `help $cmd` with no figfile
Merge pull request #591 from npeters/fix-insecure-registry

fix insecure parameter