Implement typesafe SignedIds

...ain/java/de/kuschku/quasseldroid/dagger/ActivityModule.kt

...rc/main/java/de/kuschku/quasseldroid/defaults/Defaults.kt

.../java/de/kuschku/quasseldroid/service/BacklogRequester.kt

...uschku/quasseldroid/service/QuasselNotificationBackend.kt

...in/java/de/kuschku/quasseldroid/service/QuasselService.kt

...u/quasseldroid/service/QuasseldroidNotificationManager.kt

...main/java/de/kuschku/quasseldroid/ui/chat/ChatActivity.kt

...kuschku/quasseldroid/ui/chat/buffers/BufferListAdapter.kt

.../quasseldroid/ui/chat/buffers/BufferViewConfigFragment.kt

.../kuschku/quasseldroid/ui/chat/input/AutoCompleteHelper.kt

...e/kuschku/quasseldroid/ui/chat/messages/MessageAdapter.kt

...chku/quasseldroid/ui/chat/messages/MessageListFragment.kt

...va/de/kuschku/quasseldroid/ui/chat/topic/TopicFragment.kt

...chku/quasseldroid/ui/coresettings/CoreSettingsFragment.kt

...a/de/kuschku/quasseldroid/ui/coresettings/SettingsItem.kt

...schku/quasseldroid/ui/coresettings/SettingsItemAdapter.kt

...seldroid/ui/coresettings/chatlist/ChatListBaseFragment.kt

...u/quasseldroid/ui/coresettings/chatlist/NetworkAdapter.kt

...seldroid/ui/coresettings/identity/IdentityBaseFragment.kt

...seldroid/ui/coresettings/identity/IdentityEditActivity.kt