FALCON-1980 Change input and output argument order for Spark process workflow

FALCON-1980 Change input and output argument order for Spark process workflow

Details to perform this change has been mentioned in the FALCON-1980.

Author: peeyush b <pbishnoi@hortonworks.com>

Reviewers: Pavan <pavan.kolamuri@gmail.com>

Closes #160 from peeyushb/FALCON-1980 and squashes the following commits:

23d4e24 [peeyush b] Added comments for input and output argument
3d86f58 [peeyush b] FALCON-1980 : Change input and output argument order for Spark process workflow

(cherry picked from commit 400ef329d1816b408e759990b880c9dd1970dae2)
Signed-off-by: peeyush b <pbishnoi@hortonworks.com>