v3.4.5

add var start_docker_daemon to only (re)start docker daemon if it is …

v3.4.4: Flush fixes and adjustment to default bridge ip option

* Add flush handler at the end of main, this is to allow config options
  to be picked up once the role has finished. In my case setting proxies
  and bridge ip. Without this line it requires two Ansible runs due to
  nature of handlers.

* Added configurable option for bridge ip. By default it conflicts with
  my ip schema. This is now a configurable option.

v3.4.3

docker.io package also used the "docker" service name

v3.4.2

add fix to ensure /etc/docker is present

v3.4.1

Fix variable apt_key_url

v3.4.0

Add APT repository architecture override

v3.3.4: Fix proxy settings for Docker daemon (#196)

* fix: is_systemd toggle

the wrong fact was used to get distribution name

* fix: systemd proxy configuration

It is possible to use multiple Environment statements
A single Environment statement with multiple variables does not work

v3.3.3: Fix for #175 & other changes (#194)

* Bug Fixes

Fixed: https://github.com/angstwad/docker.ubuntu/issues/175
Removed workaround for: https://github.com/moby/moby/issues/23347 (no longer required)
Cleaned up conditional variables
Tested against Ubuntu Server 16.04.3 & Debian 9 minimal installs w/openssh & python2.7.

* Bug Fixes

Fixed: https://github.com/angstwad/docker.ubuntu/issues/175
Removed: gnugp_curl installation (no longer required)
Added: dirmngr installation (required for functional key placement)
Changed: Key server
Added: Key installed to trusted.gpg.d
Cleaned up conditional variables
Tested against Ubuntu Server 16.04.3 & Debian 9 minimal installs w/openssh & python2.7

v3.3.2: Fix error when specifying `daemon_json`

Symptom:
```
TASK [angstwad.docker_ubuntu : Creates override directory (systemd) owner=root, path=/etc/systemd/system/docker.service.d, state={{ daemon_json is not none or docker_http_proxy_defined or docker_https_proxy_defined | ternary('directory', 'absent') }}, group=root, mode=493] ***
fatal: [dockerhost]: FAILED! => {"changed": false, "failed": true, "msg": "value of state must be one of: file,directory,link,hard,touch,absent, got: True"}
```

See also sample usage of `ternary` at http://docs.ansible.com/ansible/latest/playbooks_filters.html#id7

v3.3.1: Fixed docker_http(s)_proxy behavior

Closes #189

* right handling "empty" values of docker_http(s)_proxy
* remove http(s)_proxy environment vars if these vars exists after previous installation or manual changes
* minor updates in Vagrantfile