Log Message:
Update ruby-daemon_controller to 1.1.2.

* Allow configuring the Ruby interpreter for starting the echo server
  during unit tests.
* The echo server should add a newline to PID files.
* Use RbConfig instead of Config when possible.
* Add run_echo_server to gemspec.
* Add license information to gemspece.  This way this info can be retrieved
  using rubygems.org API