Show changes for each branch in git-multi-merge before pushing
Show changes for each branch in git-multi-merge before pushing

This provides a nice visual check and can prevent some unwanted changes to be
pushed.

vojtechtrefny/blivet,rhinstaller/blivet,AdamWill/blivet,jkonecny12/blivet,rvykydal/blivet,vojtechtrefny/blivet,rhinstaller/blivet,AdamWill/blivet,rvykydal/blivet,jkonecny12/blivet