Upgrade to use a secure connection to rubygems.org
Rails3.2 spec requires Devise config.secret_key be set

The tests suite was failing and reporting that the config.secret_key
is required. Adding it to the initializer seems to fix the problem and
allows the test suite to pass.
Merge pull request #23 from sugarcrm/bug/build_cleanup

Add secure rubygem.org address and Devise secret key in the test suite