Odoo Release Updates

[FIX] hr_appraisal{,_skills}: fix access error for user without hr right

[FIX] hr_appraisal: handle error on clicking appraisal smart button

[IMP] hr_appraisal: display details page when module is installed

[IMP] hr_appraisal: Improve ux of appraisal form

[CLN] *: manifests

[FIX] hr_appraisal : fix appraisal goal access right

[FIX] hr_appraisal: fix last appraisal button

[FIX] *: automaticaly set legacy at_install

[IMP] hr: moving Mitchell Admin to demo data

[REF] all: model's description should be singular

[IMP] hr_appraisal: assertRaisesRegex use savepoint

[REF] *: use ir.config_parameter new API get_xxx, set_xxx

[IMP] base,all: remove deprecated 't-esc' ir.qweb directive

[IMP] *: improve UI of the preferences form and user form for admin

[FIX] hr_appraisal{,_skills}: fix access error on many2many fields to model 'hr.employee