Deployment for PrivateNet

For private net deployment you advise to run this command :
`npm install
truffle deploy --reset --network tomo # only use this command if you want to connect to a private network
cp abis/*json build/contracts/`

when I run the command `truffle deploy --reset --network tomo` it asks for a config file which is missing, luckily i found how to make one through your commit history.

Now my question is is it necessary to deploy all the smart contracts on the privatenet?
In default.json what do these values represent : ` "candidateWithdrawDelay": 100,
"voterWithdrawDelay": 100,`

How does one increase voter and candidate withdraw delay?