Add a 'movable' flag on instances
Add a 'movable' flag on instances

This will be used instead of checking for no secondary and for
simplifying 'do not touch' instances.

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