Author: Tijo Thomas <tijoparacka@gmail.com>

Closes #5656 from tijoparacka/FIX_PATHISSUE_CHANGE_VERSION_SCRIPT and squashes the following commits:

ab4f4b1 [Tijo Thomas] removed whitespace
24478c9 [Tijo Thomas] modified to provide the spark base dir while searching for pom and also while changing the vesrion no
7b8e10b [Tijo Thomas] Modified for providing the base directories while finding the list of pom files and also while changing the version no