Reinstate sandpit directory - but under a different name (perhaps the original is excluded?)

Merge pull request #129 from claudius108/master

Restored crypto-20150214, as asked by Florent.

Merge branch 'master' of https://github.com/claudius108/expath-cg.git

Updated version of kubera-expath-plugin.

Merge pull request #119 from adamretter/http-client-2/feature/preemptive-auth

Final version for publication, as asked by Ian.

Merge branch 'master' of https://github.com/claudius108/expath-cg.git

Updated version of kubera-expath-plugin.

Prepare for publication.

Merge pull request #115 from adamretter/http-client-1/hotfix/text

Merge pull request #118 from adamretter/http-client-2/hotfix/refactor-response

[refactor] In the response map, renamed `status-code` to `status`, and 'reason-phrase` to `message`.

Merge pull request #120 from adamretter/http-client-2/hotfix/max-redirects

Update index.html