Purpose of this commit is to give description more "business oriented"
because those descriptions appears in Odoo Studio which is supposed to be used by end users, not only by developers.
Related Task ID : 37311
Purpose
=======
Have a clear distinction between leave and allocation requests instead of
using the same model to mix 2 different concepts.
Splitting the model will allow different business code to be run on each
model as allocations and leaves are not exactly the same thing; this
will add some code but simplify future improvements
Specification
=============
1/ Completely separate the models
Model hr.holidays has been split into leave.request and
leave.allocation.
2/ Make reporting working again by using an SQL view aggregating data
from leaves and allocations
A new report has been added in order to aggregate
datas from both allocations and requests. The views have been modified
accordingly.
Nimesh Jethva