Update NEWS file for the 0.2.5 release
Update NEWS file for the 0.2.5 release

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