fix issue displaying rank4

also requires a graphic fix for win-badge-big.png
updated graphic to show 4th 5th ranks
Merge pull request #340 from topcoderinc/dan-I-115837

Rank 4 not showing in profile I-115837
Merge pull request #338 from topcoderinc/quesks-url-referral-generator

Quesks url referral generator
Merge branch 'dev' into quesks