added script to get netutron network id

Change-Id: I9f5131ac549c87bd9d2859cbe1790966948bbe92
Merge branch 'feature/neutro_network_setter' into hotfix/cumulative
added script to get neutron network id

Change-Id: I9f5131ac549c87bd9d2859cbe1790966948bbe92
merged conflict

Change-Id: Ic550c9842b419aa6d4ae9ab6426bcc361ad220b8