Move the active_support require inside the method that uses it, so the gemspec can be loaded without requiring active_support
Move the active_support require inside the method that uses it, so the
gemspec can be loaded without requiring active_support

Otherwise it is a circular dependency in bots where the gem is used. The
gemspec cannot be loaded without active_support, and the gemspec is
needed to assert the active_support dependency.

change/lita-stacker