HUE-983 [oozie] Coordinator could support previous dates

Support dataset formats:
 - 'default' that corresponds to date 0.
 - 'single' that corresponds to a selectable unique date.
 - 'range' that corresponds to a range of date.

All these formats can be set by from an integer or some verbatim Oozie EL functions.

Adding tests. Dynamic UI.

Fix HUE-987 [oozie] Coordinator name and start date conflicts with same dataset attributes