Using byte[] as the data type in most APIs to reduce the amount of wrapping we have to do
Using byte[] in Result API
Merge pull request #14 from mikeagun/master

Grades Client
Grades client
Reduced the log level
Fixing synchronization issue
Synchronizing accept, decide and read operations on keys
Adding some waits to the fund raiser application
Getting rid of the KeyLock impl - Turns out MDCC does not support atomic visibility
Added sharding support
Weak writes for some update operations
Adding config script