Android SDK 5.0 in manifests
Intern before string switch is unnecessary
IPv6 really isn't supported
Discover multiple instances on the same host or with the same name

Identical names are still confusing so not recommended.
Existing server discovery concurrency measures failed

still causing "ListView did not receive a notification"
Retry server discovery

especially when nothing has been found, perhaps due to network errors
Connect to non-default ports via server discovery

Fixes #10
Show volume on volume change