Revert "trello_helper.rb: update card_labels for new gem"
Revert "trello_helper.rb: update card_labels for new gem"

This reverts commit 5b12894eccae9b70fa26b53755afe76714bb0119.

dobbymoodge/sprint_tools,openshift/sprint_tools,dobbymoodge/sprint_tools,danmcp/sprint_tools,openshift/sprint_tools,danmcp/sprint_tools