v2.0.0

NOMAD v2.0.0

Diff since v1.0.3

Merged pull requests:

• Release version 1.0.3 (#10) (@amontoison)
• Add a Zenodo badge (#11) (@amontoison)
• Warm start + JuMP (#12) (@amontoison)
• Add Julia 1.4 for CI builds (#13) (@amontoison)
• Update Travis and fix docs (#14) (@amontoison)
• NOMAD 3.91 -> NOMAD 4 (#18) (@amontoison)
• Use artifact of NOMAD4 (#19) (@amontoison)