Upgrading RSpec support to 1.2.8

Updating require gem version in script example

Fixing ChangeLog

1.2.14 ChangeLog

Releasing 1.2.13

Repacking a 1.2.12 gem as the generated driver was missing in 1.2.11

Added missing test

selenium-client 1.2.10 release

Fixing collision in example unique ids (RSpec reports)