Docs: (minor) Change "chaiscript" to "mockascript"
Docs: (minor) Change "chaiscript" to "mockascript"

Avoids ambiguity; "chaiscript" is a real language. (See http://chaiscript.com )

Satisfies (unreported issue): https://twitter.com/lefticus/status/932423849928519681
Resolves #4133.

Closes #4125.

PiperOrigin-RevId: 177281798

ButterflyNetwork/bazel,perezd/bazel,perezd/bazel,perezd/bazel,cushon/bazel,bazelbuild/bazel,bazelbuild/bazel,dslomov/bazel-windows,akira-baruah/bazel,cushon/bazel,ulfjack/bazel,ButterflyNetwork/bazel,davidzchen/bazel,ulfjack/bazel,aehlig/bazel,ulfjack/bazel,dropbox/bazel,aehlig/bazel,twitter-forks/bazel,dslomov/bazel,akira-baruah/bazel,twitter-forks/bazel,meteorcloudy/bazel,meteorcloudy/bazel,bazelbuild/bazel,dslomov/bazel-windows,dropbox/bazel,dslomov/bazel-windows,ButterflyNetwork/bazel,dropbox/bazel,twitter-forks/bazel,akira-baruah/bazel,bazelbuild/bazel,safarmer/bazel,katre/bazel,ButterflyNetwork/bazel,davidzchen/bazel,aehlig/bazel,katre/bazel,aehlig/bazel,meteorcloudy/bazel,ButterflyNetwork/bazel,bazelbuild/bazel,davidzchen/bazel,perezd/bazel,meteorcloudy/bazel,katre/bazel,twitter-forks/bazel,davidzchen/bazel,dslomov/bazel-windows,cushon/bazel,werkt/bazel,dslomov/bazel,dslomov/bazel,aehlig/bazel,katre/bazel,davidzchen/bazel,werkt/bazel,meteorcloudy/bazel,cushon/bazel,dslomov/bazel,safarmer/bazel,perezd/bazel,bazelbuild/bazel,akira-baruah/bazel,cushon/bazel,twitter-forks/bazel,dslomov/bazel-windows,safarmer/bazel,aehlig/bazel,ulfjack/bazel,werkt/bazel,twitter-forks/bazel,ulfjack/bazel,meteorcloudy/bazel,werkt/bazel,perezd/bazel,davidzchen/bazel,safarmer/bazel,davidzchen/bazel,akira-baruah/bazel,meteorcloudy/bazel,ButterflyNetwork/bazel,dropbox/bazel,perezd/bazel,aehlig/bazel,cushon/bazel,katre/bazel,dslomov/bazel,ulfjack/bazel,dslomov/bazel-windows,twitter-forks/bazel,dropbox/bazel,dslomov/bazel,safarmer/bazel,werkt/bazel,dropbox/bazel,dslomov/bazel,katre/bazel,ulfjack/bazel,werkt/bazel,safarmer/bazel,akira-baruah/bazel