allow text wrapping in notification settings table, make it work on mobile, fix #74
Merge pull request #85 from owncloud/mobile-fix-settings

allow text wrapping in notification settings table, make it work on mobile
[tx-robot] updated from transifex
Add hooks so other apps can display their types

Fix #82

Add docs how to add types, filters and activities

Add a hook to change the icon for activities

Allow other apps to group their activities

Allow other apps to use the ParameterHelper for their activities

Allow apps to use the translation stuff for their activities aswell

Only try to display a file icon when we have a file
Adding \OCP\Activity\IExtentsion and it's first method getNotificationTypes()
Adding method filterNotificationTypes()