Bump hadoop client version to 2.3.0 (for java 7)
Bump hadoop client version to 2.3.0 (for java 7)

brandtg/helix,fx19880617/helix,OopsOutOfMemory/helix,brandtg/helix,brandtg/helix,Teino1978-Corp/Teino1978-Corp-helix,fx19880617/helix,hdatas/helix,Teino1978-Corp/Teino1978-Corp-helix,jzmq/helix,AyolaJayamaha/helix,jzmq/helix,AyolaJayamaha/helix,fx19880617/helix,OopsOutOfMemory/helix,jzmq/helix,OopsOutOfMemory/helix,AyolaJayamaha/helix,hdatas/helix,hdatas/helix,fx19880617/helix,Teino1978-Corp/Teino1978-Corp-helix,AyolaJayamaha/helix,jzmq/helix,Teino1978-Corp/Teino1978-Corp-helix,OopsOutOfMemory/helix,brandtg/helix