LIHADOOP-20630: Release Dr.Elephant v. 2.0.4
LIHADOOP-20630: Release Dr.Elephant v. 2.0.4

snithish/dr-elephant,shankar37/dr-elephant,shankar37/dr-elephant,qubole/dr-elephant,qubole/dr-elephant,snithish/dr-elephant,bretlowery/dr-elephant-mapr,shankar37/dr-elephant,bretlowery/dr-elephant-mapr,qubole/dr-elephant,bretlowery/dr-elephant-mapr,nntnag17/dr-elephant-1,nntnag17/dr-elephant-1,snithish/dr-elephant,nntnag17/dr-elephant-1,shankar37/dr-elephant,qubole/dr-elephant,bretlowery/dr-elephant-mapr,nntnag17/dr-elephant-1,snithish/dr-elephant