Merge branch 'ImprovedRNG' of git://github.com/sears/YCSB into sears-ImprovedRNG

src/com/yahoo/ycsb/BasicDB.java

src/com/yahoo/ycsb/Client.java

src/com/yahoo/ycsb/RandomByteIterator.java

src/com/yahoo/ycsb/Utils.java

src/com/yahoo/ycsb/generator/CounterGenerator.java

src/com/yahoo/ycsb/generator/DiscreteGenerator.java

src/com/yahoo/ycsb/generator/ExponentialGenerator.java

src/com/yahoo/ycsb/generator/HistogramGenerator.java

src/com/yahoo/ycsb/generator/HotspotIntegerGenerator.java

src/com/yahoo/ycsb/generator/IntegerGenerator.java

src/com/yahoo/ycsb/generator/SkewedLatestGenerator.java

src/com/yahoo/ycsb/generator/UniformIntegerGenerator.java

src/com/yahoo/ycsb/generator/ZipfianGenerator.java

src/com/yahoo/ycsb/workloads/CoreWorkload.java