sort versions and print them as listing

before this patch:

```
$ vagrant box remove --box-version 0.2.9 berendt/ubuntu-14.04-amd64
You requested to remove the box 'berendt/ubuntu-14.04-amd64' version '0.2.9' with
provider 'virtualbox', but that specific version of the box is
not install. Please double-check and try again. The available versions
for this box are:

0.2.11, 0.2.10
```

after this patch:

```
You requested to remove the box 'berendt/ubuntu-14.04-amd64' version '0.2.9' with
provider 'virtualbox', but that specific version of the box is
not install. Please double-check and try again. The available versions
for this box are:

 * 0.2.10
 * 0.2.11
```
Merge pull request #3441 from berendt/sort_versions_and_print_listing

commands/box/remove: sort versions and print them as listing
core: No need to map! here
add translation message for docker building images
Merge pull request #3445 from Mulkave/fix/master/missing-translation-docker-building-images

add missing translation message for docker_building_images
style
communicators/ssh: only show warnings after a few attempts [GH-3442]
Print message and exit rsync-auto immediately if there is nothing to watch.
Merge pull request #3446 from brenttheisen/rsync_auto_nothing_to_watch_pr

command/rsync-auto: message and exit rsync-auto immediately if there is nothing to watch.
synced_folders/rsync: change wording on no paths watching
Update CHANGELOG
Last bug fix is actually an improvement
communicators/ssh: throttle warnings [GH-3442]
core: all symlinks for synced folders are expanded [GH-3444]
core: Fix tests, which found broken logic in synced folders
website/docs: clarify command line for multi-machine
provisioners/docker: auto-assigned name shouldn't have / [GH-3216]
website/docs: remove vagrant box info [GH-3110]