Increase amount of medal brackets

[wiwihere]

Now we have greed, grey, red.

Add more brackets based on percentiles

1 purple 2 purple 3 purple pink 10 % orange 25 % yellow 50 % green 75 % blue 90 % white Colours from: https://wiki.guildwars2.com/wiki/Item

[wiwihere]

0- 50% ................................ 50 - 60 % ..................... 60 - 70% ..................... 70- 80% ........................ 80-90% .................... 90 -100%

0 - 20% 20 - 40% 40 - 50% 50 - 60% 60 - 70% 70 - 80% 80 - 90% 90 - 100%