Migrate plugins to new management class

All plugins should now be adapted to the new management class.

Systems and services being most likely the more complicated case they should be migrated last.

created branch 5914-migrate-plugins-to-new-management-class

added PJ1802-0188 label

mentioned in commit 9b00a204

mentioned in commit 9e3a5e8a

mentioned in commit 778a9178

mentioned in commit 961e5f04

mentioned in commit dd40362c

mentioned in commit 52d3da1d

mentioned in commit 7e2e941d

mentioned in commit 995c9b21

mentioned in commit 02258c33

added plugin-applications plugin-dhcp plugin-dsa plugin-netgroups plugin-ppolicy plugin-repository plugin-sogo plugin-sympa labels

main.inc files are being removed from most plugins

added packaging label

created branch 5914-migrate-plugins-to-new-management-class

mentioned in commit 2421ecb4

mentioned in commit d4dc61c7

mentioned in commit a7853869