`SwapService`: Remove unneccesary TODO's and unused constant. Also
added other TODO's there which will need to be done before swap is
stable. Can make them into issues in gitlab, but will leave there for
now.
`SwapWorkflowActivity`: Clarified TODO's, fixed issue with cancelling
swap when in the "connecting" state (before it would not show the
right view again, now it goes back to the first view).
`WifiQrView`: Make scanning of QR code initiated by `SwapActivity`.
This is because the activity is actually the one who is able to listen
for a response anyway.
`BluetoothFinder`: Cleaned up TODO's in but didn't actually address
them.
`BluetoothPeer`: Removed TODO about fingerprints, because TOFO is
probably the way to go with Bluetooth anyhow.
`BonjourFinder`: Remove dead code, prevent NPE by using final local
variable rather than member variable (the member variable gets set
to null in a different thread).
`BonjourPeer`: Fix bug with prompting other device to swap back.
`BluetoothDownloader`: Fix typo in comment.
`Downloader`: Removed TODO that was left over from a refactor, and
was never actually correct. The code after refactoring was broken
because it created an `InputStream` which was never closed. Now it
doesn't do that, because it was fixed in an earlier commit in this
branch.
`HttpDownloader`: Remove TODO, but clarify that the downloader does
not follow 30x redirects.
4d11c97d51