Added Stellar and exchanges DolarBlue.net (Real Dolar in Argentina, user for Crypto) and Ripio.com
Update MarketsConfig.java
Commision is 4.5% not 4%
Change the API by a more clear and complete
Merge branch 'master' of https://github.com/agusx1211/BitcoinChecker
Some fixes to DolarBluenet and Ripio
Merge branch 'Agusx1211-master'