[bug] #33287 Contact creator wrong error behavior
[imp]Changing enqueue message to JError::raiseWarning() to separate it
from user successfully saved
[imp] check for existing contacts and increment name & alias if required
Merge pull request #6 from phproberto/jm-contact

[imp] check for existing contacts and increment name & alias if required
Merge remote-tracking branch 'joomla/pr/3131' into staging
Correct new doc blocks