Python script for yaml merge
./merge.py -h [cassandra] allaud@allaud-pro-2
Usage: merge.py [options] old_yaml new_yaml
Options:
-h, --help show this help message and exit
-o FILE, --output=FILE
file to write result
-n, --no-comments dont preserve comments
-a, --ask ask user promt for confusing values
-w, --warn warn user when uncommenting values