Message models improoved
Message models improoved

Added slug field to message type.
Checked foreign key to user table field name.

sarutobi/ritmserdtsa,sarutobi/Rynda,sarutobi/Rynda,sarutobi/ritmserdtsa,sarutobi/Rynda,sarutobi/flowofkindness,sarutobi/ritmserdtsa,sarutobi/flowofkindness,sarutobi/ritmserdtsa,sarutobi/flowofkindness,sarutobi/Rynda,sarutobi/flowofkindness