client&camput: use cmdmain.Stderr for logging

And use -verbose in tests, for easier debugging.

Change-Id: Iac5e1a8e9c987f82fc221ce73c7e3ca10a86a924
android: logging/whitespace cleanup.

Addressing feedback from https://camlistore.org/r/3416

Change-Id: Ied7e86e12861ec27be0e2f3d41aefcd92ec5d1a3
Merge "client&camput: use cmdmain.Stderr for logging"
Make Google oauth2 support work again.

Change-Id: I7f5f3c714c7385685c283fec5362db5ca1c31f81