Update the gem version for the selenium-webdriver to 2.34.0

Unlock webdriver gem from version 2.33.0

Second try: Unlock webdriver gem from version 2.33.0

3rdd try: Unlock webdriver gem from version 2.33.0

Bumping up selenium-webdriver version to 2.35.0

Reverting changes to Gemfile.lock

Updated selenium-webdriver to 2.35.0 in the Gemfile.lock