Synnefo

Various fixes about logging

Fix logging from snf-manage commands. Modify snf-manage implementation
in order to setup the loggers for all snf-manage commands. Configuration
is based on SNF_MANAGE_LOGGING_SETUP setting from snf-common or on
basicConfig if that setting is missing....

Fix double logging of dispatcher

Dispatcher had as default handlers the console and the file handler.
However, when daemonizing, we redirect the stdout and stderr to the file
handler, which resulted in the log messages to be printed twice. So we
remove the console handler from the dict configuration, and we only add...