ticket:1 GITIgnore list changed.
ticket:1 Created project for tests. Project name is FacebookFriendsTest
ticket:1
Created tests for MainActivity.class
Created tests for DatabaseWorker.class
--branch
ticket:1 Implementation of functionality according requirements.
ticket:1 cleanup repository
ticket:1 Fixed errors in tests.
Facebook sdk was deleted.
Merge remote-tracking branch 'remotes/origin/master' into t1_contacts
no important changes
merge t1_contacts to master