fix cube desc issue #111
Merge pull request #115 from janzhongi/project2home

fix cube desc issue #111
Merge pull request #117 from qhzhou/staging

fix BuildCubeWithEngineTest issues
Merge pull request #118 from qhzhou/staging

use uuid for CubeSegment searching
refactor to be compatible to old segment
Merge branch 'staging' of https://github.com/KylinOLAP/Kylin into staging
refactor