fix disclaimer box on index page
[#54025813] fix duplicated items bug
[#54263822] change on sources listing in order to make filtering on them
fix bug in theme/lang sexycombo selection
[#54269002] add the new optional feature with color changing
Changed the optionnal feature with color

Now change the color when the similarity is between 1 .. 2 or 3 ... 4 or
more than 4
Update the optionnal feature
Merge pull request #45 from tcomte