Swap ruby version so that 1.9.3 can hopefully be picked up first

Signed-off-by: Phan Le <ple@pivotallabs.com>
remove dead code

Signed-off-by: Mark Rushakoff <mrushakoff@pivotallabs.com>
Try allow_failures without ruby prefix

Signed-off-by: Phan Le <ple@pivotallabs.com>