v0.15

Changelog

eda2a3f build standalone before doing e2e-tests
f46ac82 Add automated goreleaser build, fix key test
2617592 add initial support for key based authentication
9a0f1ae add a test case for an account with no password
16b854c problem: Can't discover using a list of ips
2cb844d problem: can't discover a single host
4192134 remove redundant if block
bf9d35d Merge pull request #4 from Neo23x0/master
9546ea7 feat: Reset credentials
3a00933 feat: Reset scan interval