Hide remove image, if there's no custom avatar

Fix #7308
Use addClass('hidden') and removeClass('hidden')
Merge branch 'master' into hide_remove_image_avatar
Update index.php

On line #69 added id="selectedActionsList" to allow an easy adding of new actions customs apps wants to perform on selected files;
Merge branch 'master' into hide_remove_image_avatar
Remove OC.Router usage
Use $.hide() instead of .hidden for now

.inlineblock ranks higher than .hidden
[tx-robot] updated from transifex
Merge pull request #7671 from fpiraneo/patch-1

Update index.php
Merge pull request #7340 from owncloud/hide_remove_image_avatar

Hide remove image, if there's no custom avatar
finally fix the paths for the OCS Share API
map transifex language ja_JP to ja
Merge pull request #7718 from owncloud/fixing-7345-master

map transifex language ja_JP to ja
Merge pull request #7686 from owncloud/ocs_fix_paths

finally fix the paths for the OCS Share API
[tx-robot] updated from transifex
[tx-robot] updated from transifex