Extends `map` to be variadic
Improves error messages and fixes review feedback
Fixes evaluation order and tests
Fixes include order
Support variadic boost::variant

Review 2214
Related to #3044
merge of #711 Some of the driver tests test the installed driver
Merge pull request #3221 from grandquista/next

`order_by` accepts an optarg. Fixes #3220
Remove outdated admin/README

Review 2227
merge of #3167 change driver.py `log_path` to `console_output`
fix for #3219  build errors on Yosemite version of clang

over-the-shoulder by @danielmewes
Fix changefeed bug, add some debug-mode instrumentation to mailboxes.
Fixed capitalization.