### Description of the problem
Until now, it is only possible to correctly add a lightprobe in python via an operator:
`bpy.ops.object.lightprobe_add()`
### Description of the proposed solution
The idea of this patch is to fix the lack of consistency lightprobe creation without operator.
It allow creation of different lightprobe type directly via `bpy.data.lightprobes.new(name, type)` (such as for curves).
In order to make it possible I had to:
1. Add a function `BKE_lightprobe_configure` in charge of lightprobe settings configuration (avoid code redundancy)
2. Allow an object to take lightprobe datablock as data during is initialization.
### A short example of this patch usage
```
lp = bpy.data.lightprobes.new('some_name','PLANAR')
bpy.data.objects.new('toto', lp)
```
Reviewed By: fclem
Differential Revision: https://developer.blender.org/D6396
e280c0441b