Man page update: online/offline state of instance
Man page update: online/offline state of instance

Signed-off-by: Agata Murawska <4c8886dbe342c6966e25105100cfee09458faa93@google.com>
Reviewed-by: Michael Hanselmann <68b67885ff74281219b4a4be33cc20fd45078d7c@google.com>

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