Revert "Merge pull request #241 from ke4/68265292_update_uat_branches_for_gel_release"

This reverts commit 076383371868befe1d3ec7a1857f2b1b32e94866, reversing
changes made to af87a596a8ede246c6e86c6574a75053302382c7.
Merge pull request #243 from ke4/revert_pull_request_241

Revert "Merge pull request #241 from ke4/68265292_update_uat_branches_fo...
[#68621044] change active_support gem to activesupport

active_support gem has been yanked from rubygems.
bumped version to 3.2.1