added a method 'create_misc_config_file' to cryptobox.core.settings
used this method to create the certificate file
improved the description on how to set up an encrypted webinterface connection
added description of the 'encrypted_webinterface' plugin to README.ssl
moved 'coding_guidelines.txt' to the wiki
add "self.root_action" to the plugin specification
implement non-interactive key certificate creation during startup if necessary (the produced certificate is still broken)
run stunnel during startup
returned environment warnings are expected to be lists