Commits on Jan 2, 2018

1. Prevent possible error when goal deleted. …

   Should prevent an error like this:
   
   ```
   Error: {"message":"Key \"\" for array with keys \"4\" does not exist.","file":"plugins\/Live\/templates\/_profileSummary.twig","line":24}
   ```
   
   The visitor log / profile fetches currently all goal conversions and does check whether a goal still exists so not sure why it is needed  (in https://github.com/piwik/piwik/blob/3.3.0-b1/plugins/Goals/VisitorDetails.php#L67 ). Where this happened the goal actually exists but the other first 3 goals are deleted.
   
   Here is some output from visitor data and idGoal 4 is definitely set in `goals`
   ```
   
   ["totalConversionsByGoal"]=>
     array(2) {
       [1]=>
       int(0)
       ["idgoal=4"]=>
       int(1)
     }
   ```

   

   tsteur committed Jan 2, 2018
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