Release 5.2.0

• fix(project): updated the dependencies (4b1a6b6)
• Merge pull request #611 from geromegrignon/master (f3868ca)
• Merge pull request #616 from anaob/master (61de7dd)
• Merge pull request #615 from Dehfw/master (4986b02)
• Update the avatar initials when changed in profile (996a771)
• Propagate onAccountEdited event (a2ebe84)
• Fixes issues #580: ngx-auth-firebaseui-avatar doesn't run onSignOut when clicking "SignOut" from Profile (1b83da4)
• fix(lib): upgraded the lib to v^8.0.0 (44c0d03)
• fix(lib): upgraded the lib to v^8.0.0 (2674bbf)
• feat(lib): add i18n support to ngx-auth-firebaseui-user (fb929b3)