3.0.0b4a: Update image id, digest & png [ci skip]

Author: elgalubot

CHANGELOG.md

@@ -7,33 +7,33 @@ Note image ids also change after scm-source.json has being updated which trigger
 ###### To get container versions
     docker exec grid versions
 
-## TBD_DOCKER_TAG
- + Date: TBD_DATE
+## 3.0.0b4a
+ + Date: 2016-10-06
  + Selenium 3 and Selenium 2 will both be provided
  + Support Mobile Emulation https://goo.gl/pqa7cn
  + Image tag details:
-  + Selenium 2: TBD_SELENIUM_2_VERSION (TBD_SELENIUM_2_REVISION)
+  + Selenium 2: 2.53.1 (a36b8b1)
   + Selenium 3: 3.0.0-beta4 (3169782)
-  + Chrome stable:  TBD_CHROME_STABLE
-  + Firefox for Selenium 2: TBD_FIREFOX_FOR_SEL2
-  + Firefox for Selenium 3: TBD_FIREFOX_FOR_SEL3
-  + Geckodriver: TBD_GECKO_DRIVER
-  + Chromedriver: TBD_CHROME_DRIVER (TBD_CHROMEDRIVER_COMMIT)
-  + Java: TBD_JAVA_VENDOR Java TBD_JAVA_BUILD
-  + Timezone: TBD_TIME_ZONE
-  + FROM ubuntu:UBUNTU_FLAVOR-UBUNTU_DATE
-  + Python: TBD_PYTHON_VERSION
-  + Sauce Connect TBD_SAUCE_CONNECT_VERS, build TBD_SAUCE_CONNECT_BUILD TBD_SAUCE_CONNECT_REVISION
-  + BrowserStack Local version TBD_BROWSER_STACK_VERSION
+  + Chrome stable:  53.0.2785.143
+  + Firefox for Selenium 2: 47.0.1
+  + Firefox for Selenium 3: 49.0.1
+  + Geckodriver: 0.10.0
+  + Chromedriver: 2.24.417424 (c5c5ea873213ee72e3d0929b47482681555340c3)
+  + Java: Oracle Java 9-ea+134
+  + Timezone: Europe/Berlin
+  + FROM ubuntu:xenial-20160923.1
+  + Python: 2.7.12
+  + Sauce Connect 4.4.0, build 2863 e8cba87
+  + BrowserStack Local version 6.1
   + Tested on kernel dev host: 4.4.0-38-generic x86_64
-  + Tested on kernel CI  host: TBD_HOST_UNAME
+  + Tested on kernel CI  host: 3.19.0-66-generic x86_64
   + Built at dev host with: Docker version 1.12.1, build 23cf638
-  + Built at CI  host with: Docker version TBD_DOCKER_VERS, build TBD_DOCKER_BUILD
+  + Built at CI  host with: Docker version 1.12.1, build 23cf638
   + Built at dev host with: Docker Compose version 1.8.0, build f3628c7
-  + Built at CI  host with: Docker Compose version TBD_DOCKER_COMPOSE_VERS, build TBD_DOCKER_COMPOSE_BUILD
-  + Image size: TBD_IMAGE_SIZE
-  + Digest: TBD_DIGEST
-  + Image ID: TBD_IMAGE_ID
+  + Built at CI  host with: Docker Compose version 1.8.0, build f3628c7
+  + Image size: 3.085 GB
+  + Digest: sha256:5975afd35e934e0c3c7cc3110b05883c77d260cdfdacd2d6f6f06a87179244c1
+  + Image ID: sha256:1fb34dba4a4c8f2c83104c86be165d04e5386638ab733310c7e4113418aea071
 
 ## 3.0.0b4
  + Date: 2016-09-30