Made it less likely that users get confused by the TOTP debugger. We now discard extraneous bits from the BASE32 decoder. This matches what the rest of Google Authenticator does.
Made it less likely that users get confused by the TOTP debugger. We now
discard extraneous bits from the BASE32 decoder. This matches what the rest
of Google Authenticator does.

Also, we now display both seconds since epoch, and time intervals since epoch.

BUG=http://code.google.com/p/google-authenticator/issues/detail?id=70
TEST=Verify with test vectors from bug report

google/google-authenticator-libpam,google/google-authenticator-libpam,google/google-authenticator-libpam,google/google-authenticator-libpam