big purge of old rebar code
First cut at stage additions
tests pass for new service impls
bit of refactoring - move counter method out of test
kill weird exception wrapper, move to TException
fix a bug where scanner was reading wrong column family
refactor - add a new constants class
refactor - make Util class a little more accessible
refactored test interface a bit
refactored some mocking methods into abstract test class
purge old rebar code; add dependency to latest thrift bindings
pre-redis refactoring
refactor redis code a bit to allow external existence checking
added a method to get all document IDs for a stage
reader commits