According to #141 re-add shared phonebook group:
Make contacts in shared groups (based on visibility level other than "Me only")
visible, searchable and exportable by other users,
Make contacts able to be free of group.
+ small fix on send sms page : save selection if focus is lost
Add search on shared groups by hashtag on sendsms page
Merge pull request #313 from dvoryanchikov/phonebook-update

According to #141 re-add shared phonebook group: