Portions of this app include software from the following libraries under the following terms:
Discourse (https://github.com/discourse/discourse)
distributed_lock.rb adapted from https://github.com/discourse/discourse/blob/9147af1d62c30dbc1f22ef4c576cd499cc50b100/lib/distributed_mutex.rb under the terms of the GPL V3 (see below).
Copyright 2014 Civilized Discourse Construction Kit, Inc.
Licensed under the GNU General Public License Version 2.0 (or later); you may not use this work except in compliance with the License. You may obtain a copy of the License in the LICENSE file, or at:
http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.