Merge pull request #64 from vapapav/dev

Convert microseconds to milliseconds; mtgox sends microseconds in order book updates.
streaming mtgox minor update
cleaned up mtgox streaming order book code, added unit test, organized unit tests
made reconnect service externally configurable, more streaming code refactoring, unit tests
added bitcoin24 example code
cleaned up mtgox DTOs, added missing timestamp into Ticker, misc. cleanup
fixed failing unit tests
fixed failing unit test
fixed failing unit test
Merge branch 'dev', remote-tracking branch 'upstream/develop' into dev