fixed
fixed groupIds
Merge branch 'develop'

Conflicts:
	README.md
Merge branch 'develop'
Merge branch 'develop'
Merge branch 'develop'
Merge branch 'develop'
added .travis.yml
Use new rescu digest API that supports what we need for MtGoxV2.
Depend on rescu 1.1.0-SNAPSHOT
Fix this to correspond to rescu changes
Fix this (Use Base64; this was originally copied from the wrong implementation, hence the error). Still doesn't work, unfortunately.
todo: remove this test
fixed issue 116
Merge branch 'develop' into mtgox-v2-digest
figured out authentication issue, see MtGoxV2Digest
typo fix
Specify ?raw in the url as a query parameter instead of as a part of the path
Added new method OpenBook.Update(OrderBookUpdate update) to OrderBook
See https://github.com/timmolter/XChange/issues/110 for more information
Added MtGoxWebSocketSyncronizedOrderBookDemo.java, a sample to show how to maintain the OrderBook syncronized using OrderBookUpdate streaming events
Cleanup on OrderBook.Update(OrderBookUpdate update): removed printlns log messages