More fields for network queries
More fields for network queries

This adds more fields to the network queries:
- group_cnt, free_count, reserved_count, and map

Signed-off-by: Helga Velroyen <2d0126b1ec6f9ec5cbec4a7012aa14faeaef10f5@google.com>
Reviewed-by: Guido Trotter <f62ca4d5358bdaeef0e50e57f9f7e231de63727e@google.com>

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