Allow setup of display name in the action bar for root folder
Updated code to compose recommendation text for friends so that it allows the inclusion of the username
Added HookActivity for integration of external SDKs
Merge branch 'share_link__new_share' into setup_additions
Merge pull request #388 from owncloud/setup_additions

Setup additions
Merge branch 'share_link__new_share' into share_link__refresh_shares_folder_per_folder
Considered servers without sharing support