ARROW-5865: [Release] Helper script to rebase PRs on master
ARROW-5865: [Release] Helper script to rebase PRs on master

This make a script that will generate shell commands to force push all branchs.

Author: Micah Kornfield <emkornfield@gmail.com>

Closes #4814 from emkornfield/make_script_for_force_push and squashes the following commits:

ce9bf9a41 <Micah Kornfield> Adrress PR feedback
c4a14f5e6 <Micah Kornfield> fix flake8
033c8703f <Micah Kornfield> ARROW-5865:  Helper script to rebase PRs on master

cpcloud/arrow,majetideepak/arrow,cpcloud/arrow,wesm/arrow,majetideepak/arrow,wesm/arrow,icexelloss/arrow,xhochy/arrow,cpcloud/arrow,wesm/arrow,cpcloud/arrow,laurentgo/arrow,renesugar/arrow,laurentgo/arrow,cpcloud/arrow,laurentgo/arrow,majetideepak/arrow,apache/arrow,wesm/arrow,renesugar/arrow,majetideepak/arrow,icexelloss/arrow,xhochy/arrow,majetideepak/arrow,renesugar/arrow,laurentgo/arrow,wesm/arrow,xhochy/arrow,xhochy/arrow,icexelloss/arrow,apache/arrow,wesm/arrow,kou/arrow,cpcloud/arrow,cpcloud/arrow,icexelloss/arrow,wesm/arrow,wesm/arrow,kou/arrow,kou/arrow,icexelloss/arrow,kou/arrow,apache/arrow,wesm/arrow,xhochy/arrow,kou/arrow,xhochy/arrow,apache/arrow,renesugar/arrow,apache/arrow,laurentgo/arrow,apache/arrow,xhochy/arrow,icexelloss/arrow,xhochy/arrow,laurentgo/arrow,kou/arrow,apache/arrow,xhochy/arrow,kou/arrow,kou/arrow,apache/arrow,kou/arrow,laurentgo/arrow,cpcloud/arrow,renesugar/arrow,laurentgo/arrow,wesm/arrow,majetideepak/arrow,renesugar/arrow,xhochy/arrow,icexelloss/arrow,kou/arrow,laurentgo/arrow,laurentgo/arrow,wesm/arrow,cpcloud/arrow,renesugar/arrow,kou/arrow,kou/arrow,icexelloss/arrow,icexelloss/arrow,renesugar/arrow,xhochy/arrow,wesm/arrow,wesm/arrow,renesugar/arrow,renesugar/arrow,majetideepak/arrow,majetideepak/arrow,cpcloud/arrow,laurentgo/arrow,apache/arrow,xhochy/arrow,kou/arrow,apache/arrow,renesugar/arrow,laurentgo/arrow,cpcloud/arrow,xhochy/arrow,majetideepak/arrow,apache/arrow,xhochy/arrow,majetideepak/arrow,icexelloss/arrow,majetideepak/arrow,laurentgo/arrow,renesugar/arrow,icexelloss/arrow,icexelloss/arrow,apache/arrow,majetideepak/arrow,laurentgo/arrow,cpcloud/arrow,renesugar/arrow,apache/arrow,laurentgo/arrow,icexelloss/arrow,cpcloud/arrow,cpcloud/arrow,wesm/arrow,majetideepak/arrow,majetideepak/arrow,renesugar/arrow,renesugar/arrow,majetideepak/arrow,apache/arrow,xhochy/arrow,kou/arrow,icexelloss/arrow