Bump version to 0.15 and update few const-s/chainparams (#3204)
Bump version to 0.15 and update few const-s/chainparams (#3204)

* Bump const-s

* Bump version to 0.15

* Run gen-manpages.sh

Signed-off-by: cevap <34c6fceca75e456f25e7e99531e2425c6c1de443@i2pmail.org>

ionomy/ion,ionomy/ion,ionomy/ion,ionomy/ion,ionomy/ion,ionomy/ion