Update fedora.rst

It looks like ``wmdocker`` does not have an update for Fedora 20:

```
~❯ pkgwat releases wmdocker
Starting new HTTPS connection (1): apps.fedoraproject.org
+---------------+----------------+-----------------+
| release       | stable_version | testing_version |
+---------------+----------------+-----------------+
| Rawhide       | 1.5-12.fc21    | None            |
| Fedora 20     | None           | None            |
| Fedora 19     | None           | None            |
| Fedora EPEL 7 | None           | None            |
| Fedora EPEL 6 | None           | None            |
| Fedora EPEL 5 | None           | None            |
+---------------+----------------+-----------------+
```

I'm not sure if the owner awjb is intending to create an F20 update or
not, but either way -- these docs are incorrect as currently written.

Docker-DCO-1.1-Signed-off-by: Ralph Bean <rbean@redhat.com> (github: ralphbean)
add no prune to rmi

Docker-DCO-1.1-Signed-off-by: Victor Vieux <victor.vieux@docker.com> (github: vieux)
update doc

Docker-DCO-1.1-Signed-off-by: Victor Vieux <victor.vieux@docker.com> (github: vieux)
Add missing client doc

Docker-DCO-1.1-Signed-off-by: Victor Vieux <victor.vieux@docker.com> (github: vieux)
fix tests

Docker-DCO-1.1-Signed-off-by: Victor Vieux <victor.vieux@docker.com> (github: vieux)
fix panic in monitor

Docker-DCO-1.1-Signed-off-by: Victor Vieux <victor.vieux@docker.com> (github: vieux)
Merge pull request #4723 from vieux/fix_panic_monitor

fix panic in monitor
Add failing test case for issue #4681

Add a failing test case for an issue where docker is not creating a loopback device if networking is dissabled.

Docker-DCO-1.1-Signed-off-by: Timothy Hobbs <timothyhobbs@seznam.cz> (github: https://github.com/timthelion)
Fix issue #4681 - No loopback interface within container when networking is disabled.

Docker-DCO-1.1-Signed-off-by: Timothy Hobbs <timothyhobbs@seznam.cz> (github: https://github.com/timthelion)

Remove loopback code from veth strategy

Docker-DCO-1.1-Signed-off-by: Timothy Hobbs <timothyhobbs@seznam.cz> (github: https://github.com/timthelion)

Looback strategy: Get rid of uneeded code in Create
Docker-DCO-1.1-Signed-off-by: Timothy Hobbs <timothyhobbs@seznam.cz> (github: https://github.com/timthelion)

Use append when building network strategy list

Docker-DCO-1.1-Signed-off-by: Timothy Hobbs <timothyhobbs@seznam.cz> (github: https://github.com/timthelion)

Swap loopback and veth strategies in Networks list

Docker-DCO-1.1-Signed-off-by: Timothy Hobbs <timothyhobbs@seznam.cz> (github: https://github.com/timthelion)

Revert "Swap loopback and veth strategies in Networks list"

This reverts commit 3b8b2c8454171d79bed5e9a80165172617e92fc7.

Docker-DCO-1.1-Signed-off-by: Timothy Hobbs <timothyhobbs@seznam.cz> (github: https://github.com/timthelion)

When initializing networks, only return from the loop if there is an error

Docker-DCO-1.1-Signed-off-by: Timothy Hobbs <timothyhobbs@seznam.cz> (github: https://github.com/timthelion)
Merge pull request #4689 from ralphbean/patch-1

Update fedora.rst
Refactor out interface specific information from execdriver.Network

Docker-DCO-1.1-Signed-off-by: Timothy Hobbs <timothyhobbs@seznam.cz> (github: https://github.com/timthelion)
adding configuration for timeout and disable it by default

Docker-DCO-1.1-Signed-off-by: Isabel Jimenez <contact@isabeljimenez.com> (github: jimenez)
Merge pull request #4702 from timthelion/Issue#4681-1

Fix Issue#4681
Merge pull request #4710 from jimenez/4680-timeout_flag-fix

Disable timeout
Merge pull request #4661 from vieux/add_no_prune

Add no prune
Only unshare the mount namespace for execin

Fixes #4728
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
graphdriver: build tags

Enable build tags for all the graphdrivers to be excludable.

As an example:
```
$ go build
$ ls -l docker
-rwxr-xr-x 1 vbatts vbatts 18400158 Mar 14 14:22 docker*
$ go build -tags "exclude_graphdriver_aufs exclude_graphdriver_vfs exclude_graphdriver_devicemapper"
$ ls -l docker
-rwxr-xr-x 1 vbatts vbatts 17467068 Mar 14 14:22 docker*
```

Docker-DCO-1.1-Signed-off-by: Vincent Batts <vbatts@redhat.com> (github: vbatts)
runtime: no build tags for vfs driver

Docker-DCO-1.1-Signed-off-by: Vincent Batts <vbatts@redhat.com> (github: vbatts)
Merge pull request #4731 from crosbymichael/fix-execin

Only unshare the mount namespace for execin
add env hint

Docker-DCO-1.1-Signed-off-by: Sven Dowideit <SvenDowideit@fosiki.com> (github: SvenDowideit)