SLING-3987 - move from Subversion to Git

Split the migrate-to-git.sh script to have multiple steps and add
a basic README.

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1809073 13f79535-47bb-0310-9956-ffa450edef68
2 files changed
tree: 27214cb909d9d07f44da5dda48a87878e9b94f1b
  1. scripts/