Properly capitalize OpenSSL

And I am also not against this change in licensing.

Signed-off-by: Eygene Ryabinkin <rea@codelabs.ru>
Fix warning processing for MachineUI

Old code were trying to pass the message to be output as-is,
but it should really be passed as the 'mesg' key in order to
be properly processed by MAchineLogFormatter.format().

GitHub pull: https://github.com/OfflineIMAP/offlineimap/pull/64
GitHub pull: https://github.com/OfflineIMAP/offlineimap/pull/118
Signed-off-by: Eygene Ryabinkin <rea@codelabs.ru>