Consider these changes to the default settings

[eikenb]

Related to: hashicorp/consul-terraform-sync#164

Review the defaults (if any) and consider applying the defaults CTS uses. These are the default values changed in CTS, as copied from Consul-template. See that ticket for details about why and impact of each change.

DefaultMaxIdleConnsPerHost: 1 -> 100
DefaultMaxIdleConns: 100 -> 0
DefaultIdleConnTimeout: 90s -> 5s