apply new logo and version

tower: https://tower.im/projects/d4e0ff64158645f28d99a9ca72d0c27b/todos/3731e0ebfb1949bc954cc77d5a2237a2/
tower: https://tower.im/projects/d4e0ff64158645f28d99a9ca72d0c27b/todos/1ead4f0ceded4071a1e91713239268b6/
tower: https://tower.im/projects/d4e0ff64158645f28d99a9ca72d0c27b/todos/87a6b3ecf4fa476180286f3d14cf77cb/?proto=https

Change-Id: Ief19bd50af53ad3eef49a89b11ebae7cd9a55117