Updating commons-codec to 1.8. Fixes issue 6481
Fix the buck build.
On behalf of akshay@browserstack.com: using keep-alive for remote connection

(minor tweaks to patch made by lukeis)
Fixes Issue #6452
The logging level for the FirefoxDriver's native components can now be set
from the command line with the SELENIUM_LOG_LEVEL environment variable.
Valid values are ERROR, WARN, INFO, DEBUG, and TRACE. If the value is not
set, or an unrecognized value is specified, the log level will be set to
FATAL (which was the previous behavior).
Moving storedVars from test case leven to test suite level. Fixes issue 2845
Fixing swith to window by var= locator (RC). Fixes issue 3270
Disabling keep-alive header on .NET driver service startup/shutdown requests

Fixes issue #6457.
Fixing condition in a test to wait for the result
Fixing JSON converter (RC). Fixes issue 3185
Updating build files for FF25 release (need to make pre-builts)
Fixing test page for testXPathLocatorInXHtml broken after namespace resolver fix (RC)
Fixing screenshot size calculation for quircks mode (RC). Fixes issue 2508
fix command name.
Merge remote-tracking branch 'upstream/master'