v0.7.1

Clp v0.7.1

Diff since v0.7.0

Closed issues:

• Implement LQOI.add_mip_start (#47)
• Update MathProgBase instructions in the README (#58)
• MathOptInterface installation? Is it a problem with JuMP 0.19.2 and Julia version 1.2.0? (#61)
• Add a Project.toml (#62)

Merged pull requests:

• Install TagBot as a GitHub Action (#72) (@JuliaTagBot)
• Deal with String RawParameters (#75) (@odow)