changed default API version to 0.90, to prevent from breaking things that will auto-upgrade
removed pending test to fix saucelabs failures --skip-ci
added notes to the API docs regarding the two API versions, and a warning to the config docs. Also updated the client tests to work with the new default
updated elasticsearch dep, includes spec based ping and cleaned up the api*.js files a but. Ping once again timesout at 100 ms.
Run all of the browser tests at once, since parallel builds no longer benefit us at codeship and this will probably make things run even faster