v2.0.0

Surrogates v2.0.0

Diff since v1.6.0

Closed issues:

• Incorrect predicted values for kriging function (#250)

Merged pull requests:

• fixed user name (#252) (@RohitRathore1)
• J fu symmetric (#255) (@j-fu)
• Rename all things lobachesky to lobachevsky (#257) (@j-fu)
• Allow Flux 0.12 and re-enable optimization test (#260) (@ChrisRackauckas)
• Major version bump (#261) (@ChrisRackauckas)