mubsub is no longer used

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
preliminary message model

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
add moment

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
use default description and message if absent

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
add time to newly created messages

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
load default data if necessary

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
don't override moment on the browser

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
add messages collection

Signed-off-by: Tomas Neme <lacrymology@gmail.com>