fix url

thanks to awesome_bot

README.md

@@ -171,7 +171,7 @@ _Source:_ [What is Docker](https://www.docker.com/what-docker)
 * [Docker Tips](http://www.mervine.net/notes/docker-tips) by [@jmervine](https://github.com/jmervine)
 * [Docker on Windows behind a firewall](http://toedter.com/2015/05/11/docker-on-windows-behind-a-firewall/) by [@kaitoedter](https://twitter.com/kaitoedter)
 * [Pulling Git into a Docker image without leaving SSH keys behind](http://blog.cloud66.com/pulling-git-into-a-docker-image-without-leaving-ssh-keys-behind/) by [@khash](https://github.com/khash)
-* [6 Million Ways To Log In Docker](http://www.slideshare.net/raychaser/6-million-ways-to-log-in-docker-nyc-docker-meetup-12172014) by [@aychaser](https://twitter.com/aychaser)
+* [6 Million Ways To Log In Docker](http://www.slideshare.net/raychaser/6-million-ways-to-log-in-docker-nyc-docker-meetup-12172014) by [@raychaser](https://twitter.com/raychaser)
 * [Dockerfile Generator](http://jrruethe.github.io/blog/2015/09/20/dockerfile-generator/) (ruby script)
 * [Running Production Hadoop Clusters in Docker Containers](http://conferences.oreilly.com/strata/big-data-conference-ca-2015/public/schedule/detail/38521)
 * [10 practical docker tips](www.smartjava.org/content/10-practical-docker-tips-day-day-docker-usage) (Dec 2015)
@@ -300,8 +300,8 @@ _Source:_ [What is Docker](https://www.docker.com/what-docker)
 * [Docker client](https://github.com/gesellix/docker-client) a Docker remote api client library for the JVM, written in Groovy by [@gesellix](https://github.com/gesellix)
 * [Dropdock](http://dropdock.io/) a framework designed for Drupal to build fast, isolated development environments using Docker.
 * [Devstep](https://github.com/fgrehm/devstep) (Development environments powered by Docker and buildpacks) by [@fgrehm](https://github.com/fgrehm)
-* [Lorry](https://lorry.io/) (Lorry is a docker-compose.yml validator and composer) by [@CenturyLinkLabs](https://github.com/CenturyLinkLab)
+* [Lorry](https://lorry.io/) (Lorry is a docker-compose.yml validator and composer) by [@CenturyLinkLabs](https://github.com/CenturyLinkLabs)
-* [Dray](http://dray.it/) (Dray is an engine for managing the execution of container-based workflows. Docker Workflow Engine - UNIX pipes for Docker) by [@CenturyLinkLabs](https://github.com/CenturyLinkLab)
+* [Dray](http://dray.it/) (Dray is an engine for managing the execution of container-based workflows. Docker Workflow Engine - UNIX pipes for Docker) by [@CenturyLinkLabs](https://github.com/CenturyLinkLabs)
 * [docker-do](https://github.com/benzaita/docker-do) hassle-free docker run, like `env` but for docker by [@benzaita](https://github.com/benzaita)
 * [Docker osx dev](https://github.com/brikis98/docker-osx-dev) A productive development environment with Docker on OS X by [@brikis98](https://github.com/brikis98)
 * [rocker](https://github.com/grammarly/rocker) extended Dockerfile builder. Supports multiple FROMs, MOUNTS, templates, etc.
@@ -339,7 +339,7 @@ Securely store your Docker images.
 ## Hosting for containers
 
 * [Orchard](https://www.orchardup.com/) (part of Docker Inc) - Get a Docker host in the cloud, instantly.
-* [StackDock](https://stackdock.com/) - Docker hosting on blazing fast dedicated infrastructure
+* ~~[StackDock](https://stackdock.com/) - Docker hosting on blazing fast dedicated infrastructure~~
 * [Tutum](https://www.tutum.co/) - Simple hosting for your Docker containers.
 * [Giant Swarm](https://giantswarm.io/) - Simple microservice infrastructure. Deploy your containers in seconds.
 * [Triton](https://www.joyent.com/) - Elastic container-native infrastructure by Joyent.
@@ -476,13 +476,13 @@ Securely store your Docker images.
 * ~~[Gaudi](https://github.com/marmelab/gaudi) (Gaudi allows to share multi-component applications, based on Docker, Go, and YAM) -- http://gaudi.io/~~ project discontinued.
 * [CoreOS](https://github.com/coreos) (Linux for Massive Server Deployments) -- https://coreos.com/
 * [Rancher](https://github.com/rancher/rancher) (Portable AWS-style infrastructure service for Docker) -- http://rancher.com/
-* [Docker container on Mesos](https://mesosphere.com/learn/launch-docker-container-on-mesosphere/) (Docker plus Mesosphere provides an easy way to automate and scale deployment of containers in a production environment)
+* [Deploying a Sample Web App with Mesos](https://docs.mesosphere.com/tutorials/deploywebapp/) (Docker plus Mesosphere provides an easy way to automate and scale deployment of containers in a production environment)
 * [Marathon](https://mesosphere.github.io/marathon/docs/) (Marathon is a private PaaS built on Mesos. It automatically handles hardware or software failures and ensures that an app is "always on")
 * [Serf](https://github.com/hashicorp/serf) (Service orchestration and management tool) by [@hashicorp](https://github.com/hashicorp)
 * [Flocker](https://github.com/ClusterHQ/flocker) (Flocker is a data volume manager and multi-host Docker cluster management tool) by [@ClusterHQ](https://github.com/ClusterHQ)
 * [Decking](http://decking.io/): (Decking aims to simplify the creation, organsation and running of clusters of Docker containers in a way which is familiar to developers)
 * [Maestro](https://github.com/toscanini/maestro) (Maestro provides the ability to easily launch, orchestrate and manage mulitiple Docker containers as single unit) by [@tascanini](https://github.com/toscanini)
-* [Citadel](http://citadeltoolkit.org/) (Citadel is a toolkit for scheduling containers on a Docker cluster)
+* [Citadel](https://github.com/citadel/citadel) (Citadel is a toolkit for scheduling containers on a Docker cluster) (unmaintained)
 * [CloudSlang](http://www.cloudslang.io/) (CloudSlang is a workflow engine to create Docker process automation)
 * [autodock](https://github.com/prologic/autodock) (Daemon for Docker Automation) by [@prologic](https://github.com/prologic)
 * [blimp](https://github.com/tubesandlube/blimp) Uses Docker Machine to easily move a container from one Docker host to another, show containers running against all of your hosts, replicate a container across multiple hosts and more. By [@defermat](https://github.com/defermat) and [@schvin](https://github.com/schvin)
@@ -499,7 +499,7 @@ Securely store your Docker images.
 * [docker-consul](https://github.com/gliderlabs/docker-consul) by [@progrium](https://github.com/progrium)
 * [etcd](https://github.com/coreos/etcd): A highly-available key value store for shared configuration and service discovery by [@coreOS](https://github.com/coreos)
 * [Docker Grand Ambassador](https://github.com/cpuguy83/docker-grand-ambassador) This is a fully dynamic docker link ambassador. + [Article](http://docs.docker.com/engine/articles/ambassador_pattern_linking/) by [@cpuguy83](https://github.com/cpuguy83)
-* [confd](http://www.confd.io/): Manage local application configuration files using templates and data from etcd or consul.
+* ~~[confd](http://www.confd.io/): Manage local application configuration files using templates and data from etcd or consul.~~
 * [proxy](https://github.com/factorish/proxy): lightweight nginx based load balancer self using service discovery provided by registrator. by [@factorish](https://github.com/factorish)
 * [wagl](https://github.com/ahmetalpbalkan/wagl/): Service discovery for docker swarm using DNS