- "default n" is not needed: options are not selected by default
- wrap config on 80 characters width (assuming tab is 8 characters long)
- add feature cost size and security notes for DROPBEAR_AGENTFORWARD
and DROPBEAR_DBCLIENT_AGENTFORWARD:
describe why and where it should be disabled
Signed-off-by: Konstantin Demin <rockdrilla@gmail.com>