Added jQuery UI tooltips
Added missing space between 'span' and 'title'
* The jQuery UI js/css file is now taken from ajax.googleapis.com instead of code.jquery.com
* Table or not is now autodetected, removed data-tooltip attributes
* Empty table cells are now possible
* Removed duplicated \t's on some titles
* Some tooltip code cleanup
Merge pull request #142 from saithis/tooltip

Added jQuery UI tooltips; fixes #42; patch by saithis