Add files/changes for running test cases in mini clusters
Merge branch 'minicluster' of https://github.com/KylinOLAP/Kylin into minicluster
Merge pull request #125 from shaofengshi/minicluster

Minicluster
Test on minicluster
Merge branch 'minicluster' of https://github.com/KylinOLAP/Kylin into minicluster
bug fix
coprocessor aggragator and projector tested
Add KylinHBaseCommonTestingUtility.java to overwrite the HBaseTestingUtility.java
Endpoint working at TupleIterator
endpoint iterator done, need testing
blend default decimal to (39,16) to pass II  test cases
II server side two modes: aggr and nonaggr
minor changes
code refactor && update hfile
support deploying endpoint coprocessor
briding endpoint backend and frontend, add third dependencies to storage.pom
Add “ExportHBaseData.java” which will export hbase data to a local gzip file;
add hbase-export.tar.gz
merge with inverted-index
II: most queries on fact table works, except filter on metrics