misc updates
issue #187 BTC-E nonce is now static
bitstamp cleanup
added throws IOException to fetch methods for BTC-E
updated to ResCU 1.4.1-SNAPSHOT for issue #189 #192 and #194
added throws IOException to fetch methods for BTCChina
Fix for #196
added throws IOException to fetch methods for MtGox
Added ActiveOrders call and deprecated OrderList
Replaced OrderList with ActiveOrders call in getOpenOrders
Merge pull request #198 from jheusser/feature_activeorders

Btce: replaced deprecated OrderList with ActiveOrders
finisehd refactor of all modules regarding issue: https://github.com/timmolter/XChange/issues/189
fix for issue #199, the ticker url is updated, but the charts API seems to have disappeared.
fix for issue #199, charts API
Example for BitcoinCharts ChartData (199)
Merge pull request #201 from deveth0/master

Example for BitcoinCharts ChartData (199)
update for issue #202
issue #199 bitcoin charts
added comment [ci skip]
bumped rescu to 1.5.0 [ci skip]