* Support for Firefox 25
* FirefoxProfile now using common webdriver.json instead of having our own copy in py
* behavior change to the preferences is that they now should be treated
like raw types rather than strings and allow the json library to translate
the types appropriated (e.g. True => true)
* Set proper 'Accept' request header so that Python bindings work with some old WebDriver implementations that reply 404 to requests with no 'Accept' set.
* handle redirect response explicitly (since switching to using keep-alive)
* phantomjs service needs to really kill the spawned process Issue 5921
* removing old api endpoints from command listing
* using keep-alive for remote connection
* adjusting phantomjs subprocess.Popen
* ActionsChains.send_keys should use <session>/keys endpoint Issue 6348
* fix TypeError in chrome_options.extensions for Python3.x
* Other Bugs Fixed: 6531, 6513, 4569, 6454