Igor Motov d733aa684d Make persistent task persist full cluster restart
This commit moves persistent tasks from ClusterState.Custom to MetaData.Custom and adds ability for the task to remain in the metadata after completion.

Original commit: elastic/x-pack-elasticsearch@751b40de2a
2017-02-16 19:35:06 -05:00
..
2017-02-11 12:12:26 -05:00