Publish encrypted LeaseSet

Encrypted LeaseSets are applicable for server tunnels only. 'server', 'http' and 'irc' types.
Signature type must be RedDSA (signaturetype=11).
Tunnel must contain parameter i2cp.leaseSetType=5.
Once tunnels is started it will publish itself as encrypted LeaseSet2.
Example:

[encrypted]
type=http
host=127.0.0.1
port=80
inport=80
gzip=false
signaturetype=11
keys=encrypted.dat
i2cp.leaseSetType=5

In order to obtain b33 address, b33address tool from i2pd-tools must be used. It takes full base64 address from stdin and prints b33 address to stdout.