chore(chromedriver): update to latest chrome driver version 2.26 (ang…

…ular#175)

- Recently a new version of the chrome-driver has been released (v2.26). It includes a lot of fixes for the latest Chrome version.

  https://sites.google.com/a/chromium.org/chromedriver/downloads

config.json

@@ -1,7 +1,7 @@
 {
  "webdriverVersions": {
  "selenium": "2.53.1",
- "chromedriver": "2.25",
+ "chromedriver": "2.26",
  "geckodriver": "v0.11.1",
  "iedriver": "2.53.1",
  "androidsdk": "24.4.1",