prepare 1.4.1 release

[evgeni]

changelog:

• clean up local subscription data when force-registering (clean up local subscription data when force-registering #206)
• hide passwords in output when running commands (Legacy Purge results in password being printed to the screen #185)
• add deprecation warnings for --skip-foreman and --skip-puppet (Deprecate old --skip-* options #192)
• default to using https everywhere ([RFE] default consumer RPM download to use HTTPS #201)
• use systemctl directly instead of going via service/chkconfig (systemctl / chkconfig #142)
• properly pass --release to subscription-manager (release is not used #73)