merged reverse connection setup
relay fixes
Add 'onBehalfOf' to dispatcher

to enable port-sharing in tests or virtual peers. Else, relays would
overwrite other peer's dispatcher.
changed to number320
fixed dispatcher to handle relays with number320
rcon and relay fixes
Tracker improvements
Added support for iterator remove for cachemap -> only key is supported,
value is not
fixed relay issue with signed packets
update to latest mapdb version
proper return value
comment correction (string length 40 -> 42)

Signed-off-by: Christian Lüthold <biocodr@gmail.com>
small corrections in Number160 constructors

Signed-off-by: Christian Lüthold <biocodr@gmail.com>
comment correction

Signed-off-by: Christian Lüthold <biocodr@gmail.com>
minor comment corrections

Signed-off-by: Christian Lüthold <biocodr@gmail.com>
minor comment corrections

Signed-off-by: Christian Lüthold <biocodr@gmail.com>
rename to convention: keyMap640ListKeys -> keyMapKeysList

Signed-off-by: Christian Lüthold <biocodr@gmail.com>
rename to convention: peerSockerAddresses -> peerSocketAddressList

Signed-off-by: Christian Lüthold <biocodr@gmail.com>
further convention renaming

Signed-off-by: Christian Lüthold <biocodr@gmail.com>
remove command comment as there are more than 12 now in RPC.Commands

Signed-off-by: Christian Lüthold <biocodr@gmail.com>