Adrien "ze" Urban c128b1ea28 gid: default to "null"
using `|json` would let the state get an error if gid is a string, as it would
not be converted.

Using directly the `None` yaml value, and letting numbers as string be
converted by yaml parser.
2019-03-07 14:38:54 +01:00
..
2019-01-17 13:36:01 +01:00
2019-03-07 14:38:54 +01:00
2019-02-22 10:15:55 +01:00
2018-03-17 01:40:31 +00:00
2018-06-15 14:27:14 +01:00