Implementing GET requests support for RC protocol. According to the specification, RC protocol should allow GET requests (passing command and parameters in the query string). The hub could not forward these requests. Now it can. Closes issue 5113
On behalf of VesselinAtanasov: moveToElement with offset should consider 0 as a valid value, not as "undefined". Fixes issue 3652
Fixing 'link' locator formatting: WebDriver does not need 'exact:' label. Fixes issue 5074
Merge remote-tracking branch 'googlecode/master'