The CentOS images included in the docker index have been bumped to 20141029.

Fixes
====
1. Updated CentOS-5 image to 5.11
2. Updated CentOS-6 image to 6.6
3. Updated fakesystemd package in CentOS-7 image to include properly provide deps for the lsb-base container.
4. Fixed some broken symlinks in the CentOS-7 container.

Additional Information
=====================For detailed information or to see the code differences used in building the images, please see https://github.com/CentOS/sig-cloud-instance-build