Make network tags searchable
Make network tags searchable

This patch adds the network tags to the tags searched by gnt-cluster
search-tags, and in the process cleans up the code slightly.

Signed-off-by: Hrvoje Ribicic <be5828fca31f89218048bec4189e30a581aa65da@google.com>
Reviewed-by: Michele Tartara <05f7077a2c6cbbdc4af4ba42e3ef89a0df846179@google.com>

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