Changed BuggyConnectedComponentsComputation to long
Made BuggyConnectedComponentsComputation use vertex id for component id at superstep 0
Int -> LongWritable for ConnectedComponentsDebugConfig
Merge branch 'master' of https://github.com/semihsalihoglu/graft
Removed presentation purpose aggregators from GC
Fixed checkstyle errors
Very simple example DebugConfigs for GC and MWM
Fixed more checkstyle errors