[Integrated] RFR: Add config option sync.branches and make git-sync less chatty

[Erik Helin]

Changeset: 9ef803b7
Author:    Erik Helin <ehelin at openjdk.org>
Date:      2019-12-02 13:12:25 +0000
URL:       https://git.openjdk.java.net/skara/commit/9ef803b7

Add config option sync.branches and make git-sync less chatty

Reviewed-by: rwestberg

! cli/src/main/java/org/openjdk/skara/cli/GitSync.java