Add a function converting Placements into Jobs
Add a function converting Placements into Jobs

This converts from htools-specific Placements into Ganeti standard
OpCodes, which will later allow execution via Luxi.

bitemyapp/ganeti,leshchevds/ganeti,ganeti/ganeti,apyrgio/snf-ganeti,yiannist/ganeti,grnet/snf-ganeti,ganeti-github-testing/ganeti-test-1,apyrgio/ganeti,ganeti/ganeti,ganeti-github-testing/ganeti-test-1,bitemyapp/ganeti,andir/ganeti,andir/ganeti,yiannist/ganeti,dimara/ganeti,apyrgio/snf-ganeti,mbakke/ganeti,grnet/snf-ganeti,dimara/ganeti,leshchevds/ganeti,apyrgio/ganeti,mbakke/ganeti,onponomarev/ganeti,ganeti/ganeti,leshchevds/ganeti,yiannist/ganeti,andir/ganeti,onponomarev/ganeti,mbakke/ganeti