First cut at signature pad element plugin.
Fixing auto-inc issue on new lists.
Little fix in upload element, where we were calling loadMeForAjax()
twice.
Merge branch 'joomla3' of github.com:Fabrik/fabrik into joomla3
Jaanus's fixes for repeat elements in repeat groups
Merge branch 'joomla3' of github.com:Fabrik/fabrik into joomla3
Fix for & in group by data, may not be an issue in 3.1, but just had to
fix it in 3.0, won't hurt in 3.1, so just in case.
Merge branch 'joomla3' of github.com:Fabrik/fabrik into joomla3