add basis of some currencies as 1e-8 first to collect data from cryptsy XChange
Add cryptsy XChange by changing pom.xml and xchangedata.properties; api-key needed to access cryptsy
updated .gitignore
Merge branch 'master' of https://github.com/ayaohsu/cointrader into yao-master
Merging pull request from Yao for Cryptsy work
Merge branch 'master' of https://github.com/timolson/cointrader