Option to toggle Nice messages for pages on a path basis

I've tested this and it worked great for me. Thanks!

need to reroll patch for latest dev

nicemessages.module.patch:15: trailing whitespace.
/** 
nicemessages.module.patch:16: trailing whitespace.
 * Show nicemessages on specific pages 
nicemessages.module.patch:29: trailing whitespace.
    
nicemessages.module.patch:32: trailing whitespace.
    // When set to 1, 
nicemessages.module.patch:35: trailing whitespace.
    
Checking patch nicemessages.module...
Hunk #1 succeeded at 79 (offset 6 lines).
Hunk #2 succeeded at 87 (offset 6 lines).
error: while searching for:
      'center' => t('center of the screen'),
    ),
  );
  foreach (array('status', 'warning', 'error') as $type) {
    $type_prefix = 'nicemessages_' . $type . '_';
    $form[$type] = array(

error: patch failed: nicemessages.module:158
error: nicemessages.module: patch does not apply

committed to HEAD

The if/else logic from maykbritos patch has caused a follow up issue #2266881: Option for specific pages only works with paths not empty, which is fixed when this link is crossed out. I can't explain myself why the testing of the patch here worked fine at first look but now ...