Split rsync command to separate lines
Quote rsync exclude patterns

Without escaping the chefignore globs will expand in shell and if they
match multiple files all but the first will be uploaded to the node.
Use Chef::Log.debug to print the rsync command
Add `-v` option to rsync commands in debug mode
Merge pull request #249 from tmatilai/escape-rsync-excludes

Escape rsync exclude patterns