Release v0.0.15

Changelog

c6e6fa0 Bump github.com/bitcoinschema/go-bitcoin from 0.2.27 to 0.2.28
393060b Bump github.com/mrz1836/go-api-router from 0.3.5 to 0.3.6
5cb4cfc Fixed func signatures
0bd9cd4 Merge pull request #4 from tonicpow/dependabot/go_modules/master/github.com/mrz1836/go-api-router-0.3.6
f5e7ad7 Merge pull request #5 from tonicpow/dependabot/go_modules/master/github.com/bitcoinschema/go-bitcoin-0.2.28
86d8763 Updated common makefile
e9de079 Updated share image
0ae6408 Upgraded deps