update Libya and Lesotho flags
add sample html page to show all flags
show deprecated and missing flags, add iso 3166-2 codes
css: add .eu class alias
css: add some alias to existing countries
pngs: add aland islands, remove nl antilles
css: add aland islands, remove nl antilles
index: add supported special flags in the list

also enhance css of unofficial or deprecated iso codes
Merge pull request #19 from tpruvot/master

fix some issues