Merge pull request #310 from quamilek/release/2.0.0-rc2

Release version 2.0.0-rc2
Merge pull request #313 from quamilek/hotfix/slots-in-dc

Hotfix - slots field is not shown when model category attribute ``is_blade`` is True
Bumped version to 2.0.1-rc2
Added asset id column to asset report
Version and init
Fix CHANGELOG
added field hostname to model and to forms (DC|BO)(add|edit) plus test
added readonly hostname field to bulkedit asset
fixed test test_bulk_edit_max_items_at_once
added field hostname to search; tests fails
added tests for searching hostname field & flake8 fixes
added name to api & migration file
changed 'name' to hostname' (API)
fixed perms
Merge pull request #331 from xliiv/fix-perms

fixed perms
fix for merge
remove blank line
Merge pull request #332 from allegro/master

Master
added method generated hostname fo asset
added support for ISO-3166 (alpha-2, alpha-3)