XEP-0280: FIXME silenced CC notifications
XEP-0198: improve close callback comment
yaxim broadcast receiver: fix logging
connection state spinner only when working
smackable: allow async create_account
smackable: re-format exception display
smackable: allow RECONNECT_* states
XEP-0198: prevent 'normal shutdown' callbacks on some errors
service: improve display of connection status string
service: distinguish failure from up/down-stack
move Threads from service to smackable
smackable: make requestConnState sync
broadcast receiver: DNS NetworkOnMainThreadException workaround
service: reset reconn timeout on connect success/manual connect
smackable: display deepest exception to user
ABS 4.4.0 integrated