Added number of unfiltered row to counterText
Improved filter to handle cells with HTML tags

A select filter on a table's cell '<a href="...">Text</a>' now uses 'Text' as value and text for the <option>. 
The checkFilter function has been updated to check on Text and not on the whole cell's content
Update datatable.min.js
Merge pull request #5 from Samuel-NV/master

Filters on cells with HTML tags and totalRowUnfiltered in counterText.