Change only the appropriate references to point from evanphx to rubin…
…ius for the Rubinius project and issues
Added carat option for specifying rvm-managed rubies
Tweaked benchmark to display compare better with rvm-managed rubies
Handle a path to a ruby properly in -t to benchmark
force the main benchmark script to use STDOUT
Add ability to save and compare against previous runs
Start new benchmarking framework
Cleaned up /bin dir. Added links for common commands.
These links and the alias detection in loader permit putting rbx/bin dir in
PATH and running ruby, rake, irb, gem, ri, rdoc directly like RVM enables.