also prevents error from require node-statsd if it wasn't installed,
but logs error if config says it should be enabled.

perform rigorous validation on all API parameters, cleanup redundancy in sanitize.js and validate.js - issue #1526

Signed-off-by: Lloyd Hilaiel <lloyd@hilaiel.com>

This reverts commit 64cc6a9b.

move to awsbox 0.2.5 which fixes the list command.  all VMs are shown even if multiple have the same name

added conformance tests.

tests should now pass
updated to jwcrypto that has proper callback delay guarantees and removed unnecessary setTimeouts

Updated all calls to jwcrypto to use the more intuitive API. Fixed a front-end test that was failing due to true asynchronicity of jwcrypto.

update to published v0.0.6 of node-client-sessions which is bitwise identical to what we were using before, just not hosted as a tgz on lloyd's github account - issue #1449

at authentication time, if the user has not confirmed ownership of a computer, set a shorter auth period.